DELIVERY ALERT: This item ships in its original packaging and may be visible upon delivery! Sleepy Baby 2 in 1 Orthopedic with Convoluted Foam 260 Heavy Duty 15.5 Gauge Steel Coils for Maximum Durability. 9 Gauge Border Rod for extra strength and support. The lower the gauge the thicker the steel. Flex-edge clips for the ultimate in side edge support and safety. Cotton-poly coil wrap prevents loss of cushioning material. Two layers of Ortho-Insulator pad for additional durability. Knitted cotton and convoluted foam for the best in comfort for your baby or toddler. Deluxe Jacquard fabric cover with waterproof backing. Air-vents promote a fresh mattress. Cloth edge binding helps prevent seam splitting.