Exquisite Design: The premium 2.5mm neoprene full suit (90% neoprene + 10% nylon) prevents the loss of body heat in water. Strengthened easy-pull zipper for convenient dressing. 4-needle and 6-thread sewing prevents grinding and charfing. Professional Quality: As swim lovers ourselves, Cokarsey is clear about the high requirement of swimming enthusiasts. Every swimwear in our store is produced only after hundreds testing. We continue to improve each swimwear, to offer the best support and comfort feeling for every swimming enthusiast. Customer Service: Send us an email if you have any problem making your purchase. Our professional customer service team will solve any problem you meet and promise a satisfied shopping experience for you. Suitable For: With improved shaping in the body to better fit Slender Children, this wetsuit fits Babies/ Toddlers/ Preschoolers with slim to average builds well. Great fit for boys in 2-10 years old. Washing Instruction: Hand wash in cold water. No bleach. Hang dry. Size Information:(unit:inch/lb) Size--------------------------Chest----------Waist-------------Hip-----------Length------Height------Weight Small(fits like US 2)-------19.3"-21.3"-----17.7"-19.7"------22.8"-24.8"------33.1"------37"-40"------28-35lbs Medium(fits like US 3)----21.3"-23.2"-----19.7"-21.7"------24.8"-26.8"-----35.4"------40"-45"------35-40lbs Large(fits like US 4)-------23.2"-25.2"-----21.7"-23.6"------26.8"-28.7"-----37.8"------45"-48.5"-----40-55lbs X-Large(fits like US 6)-----25.2"-27.2"-----23.6"-25.6"------28.7"-30.7"-----40.2"------48.5"-52"-----50-65lbs XX-Large(fits like US 8)---27.2"-29.1"-----25.6"-27.6"------30.7"-32.7"-----42.5"------52"-56.5"-----60-75lbs