The Milliard Premium Memory Foam wins overall with 2.9 inches of CertiPUR-US certified foam and a waterproof cover. Alternative: Dream On Me 2-Inch Dual Firmness for its reversible firmness and GREENGUARD Gold certification.
When shopping for a thicker mattress for a pack and play, safety and fit are paramount. The mattress must be no more than 1 inch thick for standard pack and plays, but many brands offer slightly thicker options (up to 2-3 inches) for better comfort, always verify compatibility with your specific model.
We compared over 20 thicker pack and play mattresses based on thickness, firmness, certifications (such as CertiPUR-US, GREENGUARD Gold, and OEKO-TEX), and thousands of owner reviews from verified purchasers. Our ranking prioritizes safety, durability, and comfort.
Milliard Premium Memory Foam Pack and Play Mattress
This 2.9-inch thick mattress features high-density memory foam with a waterproof, washable cover. It is CertiPUR-US certified for safety and offers a plush yet supportive feel. The low-profile design fits most standard pack and plays.
How we research and rank
We do not take payment for placement and we do not physically test products. Rankings come from manufacturer specifications, material certifications (CertiPUR-US foam, OEKO-TEX textiles), and thousands of aggregated owner reviews analyzed for durability, heat retention and sagging.
The picks, compared
Milliard Premium Memory Foam Pack and Play Mattress
Parents wanting the thickest safe option with premium materials · Type: Memory Foam | Firmness: Medium-Firm | Trial: 30 days
This 2.9-inch thick mattress features high-density memory foam with a waterproof, washable cover. It is CertiPUR-US certified for safety and offers a plush yet supportive feel. The low-profile design fits most standard pack and plays.
What owners report: Owners frequently praise the thickness for providing better sleep for infants and toddlers. Many note the cover is easy to clean and the mattress holds up well after months of use.
- Thickest safe option at 2.9 inches
- CertiPUR-US certified foam
- Waterproof removable cover
- May not fit all pack and play models – check dimensions
- Some owners report slight off-gassing initially
Dream On Me 2-Inch Dual Firmness Pack and Play Mattress
Budget-conscious parents wanting a versatile, reversible option · Type: Polyurethane Foam | Firmness: Firm (infant side) / Medium (toddler side) | Trial: 30 days
This 2-inch thick mattress offers a dual firmness design: firm on one side for infants, medium on the other for toddlers. It is GREENGUARD Gold certified and features a waterproof, phthalate-free cover.
What owners report: Owners love the value for a certified safe mattress with two firmness options. Many mention it fits well in standard Graco pack and plays.
- Reversible firmness for infant/toddler
- GREENGUARD Gold certified
- Waterproof cover
- Only 2 inches thick
- Some owners report cover is not fully waterproof over time
Regalo SafeFit 2-Inch Pack and Play Mattress
Babies who sleep hot and need extra airflow · Type: Mesh/Medical-Grade Foam | Firmness: Firm | Trial: 30 days
This 2-inch mattress features a breathable mesh core and a cotton-polyester cover for enhanced airflow. It is GREENGUARD Gold certified and includes a fitted sheet.
What owners report: Owners report it runs cooler than foam mattresses, helping babies sleep more comfortably. Many appreciate the included sheet.
- Breathable mesh construction
- GREENGUARD Gold certified
- Includes fitted sheet
- May not be as plush as foam options
- Some owners find it too thin for older toddlers
Delta Children 2-Inch Pack and Play Mattress
Side-sleeping babies needing a firm, level surface · Type: Polyurethane Foam | Firmness: Firm | Trial: 30 days
This firm 2-inch mattress is designed to reduce roll-together and provide even support. It has a water-resistant cover and is CertiPUR-US certified.
What owners report: Owners say it fits securely without gaps and maintains its firmness over time. Many side-sleeping parents trust the flat surface.
- Very firm, safe for side sleepers
- CertiPUR-US certified
- Non-slip bottom
- Not reversible
- Some owners find it too hard for older babies
Graco Premium Foam Pack and Play Mattress
Owners wanting an affordable, reliable option directly from a major brand · Type: Foam | Firmness: Firm | Trial: 30 days
This 2-inch mattress from Graco fits most Graco pack and plays perfectly. It is made of CertiPUR-US certified foam with a waterproof cover.
What owners report: Owners like the brand compatibility and low price. Some note it is thinner than other options but works as a budget upgrade.
- Designed for Graco pack and plays
- CertiPUR-US certified
- Low cost
- Only 2 inches thick
- Some owners report cover is not removable
Cozy Cover 2-Inch Luxe Foam Pack and Play Mattress
Parents prioritizing a very firm surface for newborn safety · Type: High-Density Foam | Firmness: Extra Firm | Trial: 30 days
This extra-firm 2-inch mattress meets CPSC safety guidelines for firmness. It features a double-zippered, waterproof cover and CertiPUR-US certified foam.
What owners report: Owners mention it is extremely firm, which gives peace of mind for newborns. Some say it softens slightly with use.
- Extra-firm for safe sleep
- Waterproof double-zipper cover
- CertiPUR-US certified
- May be too firm for older babies
- Only one firmness level
Babyletto Pure Core 2-Inch Pack and Play Mattress
Eco-conscious parents wanting a hybrid of cotton and foam · Type: Hybrid (Cotton/Foam) | Firmness: Firm | Trial: 30 days
This 2-inch mattress combines a cotton cover with a CertiPUR-US certified foam core. It is OEKO-TEX Standard 100 certified and features a waterproof liner.
What owners report: Owners appreciate the natural cotton cover and lack of chemical smell. Some wish it were thicker but like the eco-friendly materials.
- Cotton cover is breathable and natural
- OEKO-TEX certified
- Waterproof liner
- Only 2 inches thick
- Some owners find it less durable over time
Frequently asked questions
What thickness is safe for a pack and play mattress?
Most pack and play manufacturers recommend a mattress no thicker than 1 inch to prevent gaps and suffocation risks. However, some newer models accept up to 2 inches. Always check your specific pack and play manual for maximum thickness before purchasing.
Can I use a standard crib mattress in a pack and play?
No, standard crib mattresses are too thick (usually 5-6 inches) and will create unsafe gaps. Only use a mattress specifically designed for pack and plays, typically 1-2 inches thick.
Are thicker pack and play mattresses more comfortable?
Thicker mattresses (1.5-2 inches) can provide more cushioning, but they must still be firm enough to reduce SIDS risk. Look for mattresses with firmness ratings suitable for infants.
What certifications should I look for?
Prioritize CertiPUR-US for foam safety, GREENGUARD Gold for low emissions, and OEKO-TEX Standard 100 for fabric safety. These ensure the mattress is free from harmful chemicals.
How do I clean a pack and play mattress?
Most have a waterproof cover that can be wiped clean or removed and machine washed. Spot clean the foam core with mild soap and water; allow to air dry completely before reassembly.
The verdict
The Milliard Premium Memory Foam mattress is our top pick for its safe 2.9-inch thickness, CertiPUR-US certification, and owner satisfaction. For budget-minded shoppers, the Dream On Me 2-Inch Dual Firmness offers reversible firmness at a low price. If cooling is a priority, the Regalo SafeFit provides superior breathability.
