This 2.5MM warm and sun-protective wetsuit, made of neoprene and Mijia cloth, effectively keeps warm and locks body temperature, allowing babies to play in the water longer. It's elastic, soft, and comfortable, and provides effective conservation against jellyfish. Suitable for surfing, diving, swimming, boating, and beach play. Features: Circulation lock temperature design for enhanced warmth. High adhesion sticker, easy to adjust, reduces neck water ingress, prevents zipper from sliding down. Back open zipper, easy to put on and take off. The extra-long pull cord solves the embarrassment of not being able to reach the back. Four needle six thread craftsmanship, neat and meticulous, firm and beautiful, not easy to break the line. Seamless crotch cutting, no pressure and tightness, more comfortable to wear. Specifications: Fabric composition: 2.5MM neoprene, nylon Size: S, M, L, XL, 2XL Optional Packaging Size: 40*30*4cm/15.7*11.8*1.6in Weight: S - 370g/13.05oz M - 440g/15.52oz L - 540g/19.05oz XL - 600g/21.16oz 2XL - 620g/21.87oz Package list: 1 x Wetsuit