Premium foam baby mattress made in USA – crafted with durable, firm, and supportive Certipur-US certified foam, this non-toxic Sealy Butterfly crib and toddler mattress provides safe, comfortable, and healthy sleep for your baby every night. Greenguard Gold and Certipur-US certified – air quality tested for a healthier sleep environment, this baby mattress is free from harmful chemicals and meets strict Greenguard Gold and Certipur-US standards for safety and indoor air quality. Easy-to-clean waterproof cover – features a durable, reinforced laminate cover that wipes clean with a damp cloth. the zip-off design makes cleaning simple and convenient, perfect for handling everyday messes during baby and toddler years. 100% waterproof baby mattress with barrier – includes a built-in waterproof layer to protect against leaks, spills, and accidents, keeping the crib mattress clean, dry, and hygienic for your baby’s comfort and health. Fits standard cribs and toddler beds – expands to a snug 52" x 28" size that fits all full-size cribs and toddler beds. meets ASTM crib mattress safety standards to ensure a secure, supportive, and comfortable sleep space for your little one.