Has Your Baby Already Started Tummy Time? American Academy of Pediatrics Recommends that babies need to lie down at home, 10 to 15 times a day, for a few minutes at a time, otherwise it may cause problems such as insufficient concentration and poor coordination. Many mothers report that ordinary activity mat usually makes their baby feel pain or even crying, but our baby tummy time mat is designed to solve many parents’ concerns and anxiety. I believe your baby will fall in love with this tummy time mat and enjoy the tummy time! Upgraded Version VS Regular Version Color Dark - Blue is closer to the color of the ocean and brighter, making the underwater world more realistic. No Holes, No Leaks - Thicken the original fabric from 0.25mm to 0.35mm to avoid the problems of easy holes and dissolution under heat. Extra Large Size & Round Design - 40''X40''(1mX1m) baby tummy time mat. Compared to other common baby mats, the large size and round design of our baby mat can accommodate 2-3 infants, giving them more space to crawl and roll without worrying about bruising by falling or hitting the floor, increasing tummy time.