Baggy design was intentional to make sure it can accommodate all needs, safely! Center hole fits adult thigh circumference from 16.3' to 25inch (41.5-64 cm). Large elastic opening can fit more size leg. Flexible and comfortable design with extra space for free movement.Reusable and durable leg cast cover adult. Tear-resistant that wont rip or tear. Non slippery like saran wrap and plastic bag are. Wateright protection for your wound. Upgrade skin feel rubber, make you feel soft and comfortable. Has better elasticity and no stimulation to the skin The liner uses waterproof sealing vinly material which can prevent the penetration of water to plaster cast and bandages on leg during bathing. Light, hygiene, washable material, will not stick to your leg.Waterproof leg shower cast protector. Fully submersible deign can keep your bandage and wound dry when take shower. The plastic ring diameter is 9.8 inch. We widen the rubber hole opening(3.4 inch) to fit for surgical boot and cast boot. 30 days warranty, buy with confidence.Full leg shower cast cover is made of medical grade safe material, friendly to latex sensitive people. Elastic soft opening makes easily pull on and off in a non-painful way. New extra large opening(3.4 inch wide) makes easily pull on and off in a non-painful way. Length: 40.5 inch. Long enough and wide enough for knee immbolizer and walking shoe to pass over.Recommend for showering, bathing, especially for people who is recovering from injuries, surgeries, diabetic foot, medical conditions such as rashes, burns, skin problems, wounds & scratches. If your leg is swollen post surgery, please control your shower time within 15-20 minutes.