● The soft, squishy texture reduces children's fear of water! ● You can enjoy water play without getting clothes or the room wet because you put water inside the mat♪ ● In the summer, it becomes a cool mat that feels refreshing, and in the winter, you can use it as a warm hot mat by putting in lukewarm water. ● Also perfect for tummy time practice. ■Specifications■ Temperature目安: ＜Summer＞ Approximately 20-22 degrees Celsius ＜Winter＞ Approximately 34-36 degrees Celsius (You can use it comfortably even in winter by putting in lukewarm water) Reference Age: 3-18 months (when starting to lie on your stomach/tummy time) Approximately 66cm wide x 48cm long (when inflated) I bought it, but I never had a chance to use it, and I've been storing it. It will be shipped via Yu-Packet Post. Please note that we cannot respond to initial defects.