Side Grooves for comfortable holding a strong grip. Bottom scallop grooves help you with the best grip. Extensively tested to give you the best combination you deserve. Durable and built to last, with a 1 year money-back guarantee! Recommended and smaller swimmers, intended for professional and recreational use with multiple settings and uses. Weight: 8.8oz - Length: 15" - Width: 10.8" - Thickness: 1.2" - Material: EVA Foam and BPA Free! This Swim Board Trainer can Help all ages through to get better training with a better grip on the side scallops and bottom grooves. Non-Slip Surface & Ribbed Edges Learning to swim is a simple task. Make it easier on by providing the most functional kickboard on the market! The non-slip surface and ribbed edges allow for a tighter grip while in the pool, lake, or ocean! Thick Buoyant Structure The extra thick EVA foam will keep afloat while learning the basics of swimming. WARNING Swimming Aid Only Not a Life Saving Device Use Only Under Adult Supervision Junior Kickboard Enhanced Functionalities & Safety Recommended swimmers, intended for professional and recreational use with multiple settings and uses. This Swim Board Trainer can help all ages to get better training with a better grip on the side scallops and bottom grooves. This Kickboard is designed to perform better and last longer the shape and multi-direction use makes this kickboard a must for swimming practice or fun! we have come a long way to perfecting this to make their experience in the water safer and more funner