The Prolimit rental & school steamer for is a durable wetsuit specially designed for rental or school usage. With different lessons and different persons using the suit, we are aware that strong seams are a must. This suit has triple glued and blind stitched seams, which means that the seams are watertight but also extra strong. Sizeindication on inside and outside. This suit is 4mm thick and has a back-zip for easy access.