Three layers of bonding for added warmth. The 2MM neoprene A side is attached to the nylon cloth with a thickness of 2. MM, which can effectively prevent cold and keep warm, lock the body temperature, and is not easy to lose, and it is not easy for children to catch cold after playing in the water for a long time. Outer stretch nylon fabric, middle layer 2MM neoprene, inner layer black stretch nylon fabric. The anti-west anti-scratch waterproof mother has elasticity and is more comfortable. Wetsuits with better elasticity can effectively prevent ultraviolet rays from hurting children's delicate skin, avoid scratches by sharp objects such as sand and stones and bites by harmful organisms, making children's water play more hollow and mothers more assured. Material: SCR neoprene, stretch cloth, nylon cloth Elastic elongation: 130% Process: Four needles and six threads, glue printing, 3M printing, back zipper Color: blue, purpleSize: S, M, L, XL, XXL