PERFECT FIT - Compatible with 63×47 inch baby playpen. It can be provide hours of tummy time, play time, and a soft crawling surface. Inflated dimensions: 63"L x 47"W x 1.18"H..THICKER & SOFTER - The baby play mat can be up to 1.18 inches thick when fully inflated, high-resilience foam filling provides extra comfort for your baby's crawling, rolling, sitting up & first steps..SELF-INFLATING - Designed with two fast flow valves to quickly and efficiently inflate the foam pad to optimal firmness. No air pump required..WEAR RESISTANT - The foam play mat for baby is made of high density polyester, which is air-tightness and tear-resistance. Durable and built for endurance..PORTABILITY - The one-piece baby mat is perfect for indoor and outdoor use. Simply roll it up and pack it away to use anywhere. And just wipe clean with a damp cloth when spills happen.