The ultimate slide, Sundreamer covers all bases with its lightweight, waterproof construction featuring a contoured footbed, heel counter, arch support and toe-bar grip for maximum all day comfort. Care Instructions: Due to the nature of EVA material, the slides & thongs can be sensitive to high heat. Do not store in direct sunlight or expose to high temperatures for long periods. (for example leaving in a hot car or exposed to the sun all day on the beach) Heat can cause damage and shrinkage.