FIT MOST ADULT - The waterproof arm cast cover can be used on both left and right arm, fits both men and women. SPECIALLY DESIGNED FOR CAST COVER - Cast protector specially designed for shower by prevent water damage to the casting, just wearing it above your cast before showering, safely and conveniently shower or bathe with a cast. LIGHTWEIGHT & DURABLE MATERIAL - Made of durable and reusable and more environmental-friendly high quality silicone, ideal for the watertight protection of arm casts cover, bandages, rashes, abrasions, burns, cuts, wounds. FLEXIBLE STRETCHABLE OPENING MAKES IT EASIER TO PUT ON - Its central hole is stretchable and suitable for arm diameters from 5 inch/12.7cm to 16 inch/15.24cm, the cast protector size fits most adults to wear the casts easily in or out but not block blood circulation. WATERPROOF SHOWER CAST COVER ARM - Complete watertigh by an elastic rubber seal with easy to use pull-tab effectively blocks water and moisture in. Great for therapeutic care, bathing, showering, rain and other outdoor activities.