Babies are messy sleepers—spills, spit-up, and nighttime accidents are inevitable, putting your crib mattress at risk of stains, mold, and bacterial growth. Without proper protection, even the highest-quality mattress can degrade quickly, compromising your baby’s sleep environment and health. Parents need a reliable, safe, and durable solution that safeguards both the mattress and their little one.
The best crib mattress cover combines impenetrable waterproofing with breathable, non-toxic materials to ensure safety, comfort, and longevity. We evaluated dozens of options based on real-world performance, analyzing hundreds of verified reviews, material quality, and key features like fit, ease of washing, and certifications such as GREENGUARD Gold and OEKO-TEX. From noise levels to deep-pocket designs, every detail matters when choosing the right fit for your nursery.
Keep reading to discover our top-rated picks that deliver superior protection, comfort, and peace of mind.
Best Options at a Glance
Newton Baby Waterproof Crib Mattress Pad
Best Overall
- Total waterproof layer
- Ultra-breathable 3-D spacer
- 3x thicker
- Universal fitted skirt
- GREENGUARD Gold Certified
American Baby Company Crib Mattress Protector
Best Hypoallergenic Option
- 52″ x 28″ x 9″
- Up to 6″
- Yes
- Hypoallergenic
- Machine washable
Margaux & May Bamboo Crib Mattress Protector
Best Luxury Material
- Bamboo Rayon
- 28 x 52 x 9 inches
- Double TPU Membrane
- 360″Deep Pocket
- Oeko-TEX Certified
Utopia Bedding Terry Mattress Protector
Best Terry Top Fabric
- Crib (28″ x 52″ x 5″)
- 200 GSM Terry
- TPU backing
- Fitted sheet with elastic
- Machine wash cold
Utopia Bedding Zippered Mattress Encasement
Best Full Encasement
- Crib 28″x52″
- 7 inches
- Knitted Polyester
- 100% Waterproof
- Zippered
Moonsea Crib Mattress Protector Waterproof
Best Budget Friendly
- Viscose Terry, TPU
- Yes
- 5″-9″
- Machine Washable
- Crib (28″ x 52″)
Biloban Waterproof Crib Mattress Protector
Best 4-Layer Design
- TPU, microfiber
- 100% waterproof
- 4-layer design
- 52″ x 28″
- Machine washable
Best Crib Mattress Cover Review
How to Choose the Right Crib Mattress Cover
Choosing the right crib mattress cover is essential for protecting your investment, ensuring your baby’s comfort, and maintaining a hygienic sleep environment. With so many options available, understanding the key features to prioritize can feel overwhelming. Here’s a breakdown to help you make the best choice.
Waterproofing: The Primary Defense
The most crucial feature of any crib mattress cover is its waterproofing ability. Accidents happen – spit-up, diaper leaks, and nighttime wetting are all part of infancy. A fully waterproof cover prevents these liquids from reaching the mattress core, protecting it from damage, mold, and unpleasant odors. Look for covers that specifically mention a waterproof layer, often made of TPU (Thermoplastic Polyurethane). The quality of this layer matters; thicker, well-constructed TPU provides better and more reliable protection. Some covers advertise “water-resistant” – these offer some protection, but aren’t as effective as fully waterproof options.
Breathability & Comfort: Ensuring a Restful Sleep
While waterproofing is vital, it shouldn’t come at the expense of breathability. A cover that traps heat can lead to your baby overheating, which is a safety concern. Look for covers that advertise breathability, often through features like quilted designs, 3D spacer fabrics, or materials like bamboo or viscose. These materials allow for airflow, helping to regulate temperature and prevent discomfort. The material on the top layer significantly impacts comfort. Terry cloth is a popular choice for its softness, while bamboo offers a luxurious feel and excellent breathability.
Fit & Security: Staying Put
A poorly fitting cover will shift during the night, potentially bunching up and creating a safety hazard. Most crib mattress covers are designed with fitted skirts, similar to fitted sheets. Ensure the cover is specifically designed for standard crib mattresses (approximately 52 x 28 inches). Pay attention to the depth of the pocket – if your mattress is thicker (over 6 inches), you’ll need a cover with deep pockets to ensure a snug, secure fit. Some covers use elastic all around the skirt, offering a more reliable grip. Full encasement models, featuring a zipper closure, provide the most secure fit and complete protection.
Ease of Care: A Parent’s Perspective
Let’s be realistic: you’ll be washing the mattress cover frequently. Machine washability is a must-have. Check the care instructions to ensure the cover can withstand repeated washing without losing its waterproof properties or softness. Durable stitching and high-quality materials contribute to a cover’s longevity, meaning it will hold up better over time and through numerous washes.
Other features to consider include:
- Material Composition: Bamboo, cotton, and polyester are common choices, each with varying levels of softness, breathability, and durability.
- Certifications: Look for certifications like GREENGUARD Gold or OEKO-TEX, indicating the cover has been tested for harmful chemicals.
- Hypoallergenic Properties: Important for babies with allergies or sensitive skin.
- Noise Level: Some waterproof materials can be crinkly; look for covers advertised as “noiseless” for undisturbed sleep.
Crib Mattress Cover Comparison
| Product | Waterproof Protection | Breathability/Airflow | Material | Fit & Size | Washability | Special Features |
|---|---|---|---|---|---|---|
| Newton Baby Waterproof Crib Mattress Pad | Total Waterproof | Ultra-Breathable (3x thicker, 97% more airflow) | Quilted 3-D spacer, waterproof layer | Universal fitted skirt (52 x 28 inches) | Machine Washable | GREENGUARD Gold Certified, Non-Toxic |
| Yoofoss Waterproof Crib Mattress Protector (2-Pack) | Waterproof | Quilted for airflow | Quilted Fabric, TPU | Fits up to 6″ thick, deep pockets | Machine Washable | OEKO-TEX 100 Certified, 2-Pack Value |
| Moonsea Crib Mattress Protector Waterproof | Waterproof & Noiseless | Breathable Viscose Terry | Viscose Terry, TPU | Fits 5″-9″ mattresses, 360° elastic skirt | Machine Washable | Various sizes available, Odor-resistant |
| Margaux & May Bamboo Crib Mattress Protector | Advanced Double TPU Membrane | Exceptional, Bamboo Viscose | Bamboo Viscose, TPU | Fits 52″x28″ up to 11″ deep, 360° elastic | Machine Washable | Luxuriously Soft, Whisper-Quiet, Giftable |
| Biloban Waterproof Crib Mattress Protector | 100% Waterproof & Noiseless | 4-Layer Design (breathable & moisture-wicking) | Microfiber, TPU | Deep skirt, elastic band (52″ x 28″) | Machine Washable | 4-Layer Design, Lifetime Guarantee |
| Utopia Bedding Zippered Mattress Encasement | 100% Waterproof | Knitted Polyester | Knitted Polyester, TPU | Crib Size (28″x52″, 7″ deep pocket), Zippered | Machine Washable | Full Encasement, 360° Zipper |
| American Baby Company Crib Mattress Protector | Exceptional Waterproof | Soft Quilted Comfort | Quilted Polyester | Fits standard cribs (52″ x 28″ x 9″) | Machine Washable | Hypoallergenic, Deep Corners, Soft |
| Utopia Bedding Terry Mattress Protector | Waterproof | Soft & Breathable Terry | Terry Cloth, TPU | Crib Size (28″x52″, 5″ deep), Fitted elastic | Machine Washable | Terry Top Fabric, Deep Fitted Pockets |
How We Tested Crib Mattress Covers
Our recommendations for the best crib mattress cover aren’t based on opinions; they’re driven by rigorous data analysis and a focus on key performance indicators. We evaluated options based on waterproofing effectiveness, breathability, and durability, prioritizing safety and infant comfort.
We analyzed hundreds of customer reviews across major retailers (Amazon, Target, Walmart) to identify common pain points – like covers that weren’t truly waterproof or developed leaks over time. Feature comparison charts were created, mapping materials (bamboo, cotton, TPU), certifications (GREENGUARD Gold, OEKO-TEX), and price points.
While direct physical testing of waterproofing is challenging without controlled lab conditions, we relied on verified purchase data and detailed user feedback regarding liquid penetration. Breathability was assessed by analyzing material compositions and reported customer experiences regarding overheating. Durability was evaluated using warranty information and long-term review trends. We also considered the ‘Buying Guide’ factors like pocket depth and ease of care, ensuring alignment with practical parental needs when forming our final ratings for each crib mattress cover. This data-driven approach ensures our recommendations reflect real-world performance and value.
FAQs
What makes a crib mattress cover waterproof?
A crib mattress cover becomes waterproof through a layer of material, most commonly Thermoplastic Polyurethane (TPU). The thickness and quality of this TPU layer determine how effectively it prevents liquids from reaching the mattress.
How important is breathability in a crib mattress cover?
Breathability is very important! A breathable crib mattress cover helps regulate your baby’s temperature and prevents overheating during sleep, promoting a safer and more comfortable sleep environment.
What size crib mattress cover do I need?
Most crib mattress covers are designed for standard crib mattresses (approximately 52 x 28 inches). However, if your mattress is thicker than 6 inches, you’ll need a cover with deep pockets to ensure a secure fit.
How often should I wash my crib mattress cover?
You should wash your crib mattress cover frequently – ideally with every diaper leak or spit-up incident, and at least every few weeks for routine cleaning. Always check the care instructions on the label.
The Bottom Line
Ultimately, the best crib mattress cover balances waterproof protection with breathability and a secure fit. Prioritizing these features ensures your baby enjoys a comfortable and safe sleep while safeguarding your mattress investment from inevitable messes. Don’t hesitate to invest in a quality cover with certifications and durable materials for long-lasting peace of mind.
Choosing the right cover doesn’t have to be daunting. By considering your baby’s needs, your mattress’s dimensions, and the ease of care, you can confidently select a cover that provides both functionality and comfort for years to come. A well-chosen cover is a small investment with a big impact on both your baby’s sleep and your overall parenting experience.





