Material: EVA Size: 24*8.5*12.5cm / 9.36"*3.31"*4.88" Color: Four colors 1. Five-layer design, sturdy : The swim board adopts a five-layer structure design, which is more stable , ensuring your safety while swimming in the pool. 2. Multi-functional swimming aid: Suitable for swimming and water sports, it can help swimming enthusiasts improve their swimming skills and swim more easily and freely in the water. 3. Wide range of applications: Whether it's adults or children, anyone can use this swim board for swimming training, allowing you to easily enjoy the fun of swimming. 4. Unique design: The swim board adopts a unique design that conforms to ergonomic principles, making you more comfortable and free in the water. 5. Premium materials: The swim board is made of high-quality materials, safe, allowing you to use it with peace of mind. Package includes: 1pc swimming board five layers float board.