The water mat promotes healthy development in babies. It strengthens the muscles in their neck, back, arms, waist, and abdomen. Ease of Use: The water mat has a water inlet and an air inlet. We recommend filling it with about 30-50% water. You can adjust the amount of water according to your child's preference. The amount of water will change the sensation and comfort of water play. Explore the underwater world: When filled with water and air, it becomes soft and fluffy. Babies can lie down and relax. It's especially perfect for summer. Of course, you can also fill it with warm water. Your treasure will sleep soundly. Experience the joy of underwater exploration with vivid and colorful illustrations of marine life. A bear-shaped water mat and colorful fish-shaped toys. - Design: Bear-shaped water mat - Accessories: Colorful fish-shaped playthings (4 pieces) - Valve: With air inflation valve Thank you for looking.