The Service You Will Get: Kimihome will provide a service that can be replaced and refunded within 30 days due to product problems. Environmental Protection Material: Use according to instructions and store properly. It should last at least 8-10 weeks. Please note: The product cannot be washed in a washing machine. Safe and Durable Material: The protective cover is made of grade A polyurethane TPU, which is extremely tear resistant, not easy to damage, easy to dry, safe, and not irritate the skin. It has excellent high tension, toughness and aging resistance. Effective Waterproofing: The High-quality airtight protective cover is suitable for protecting bandages, rashes, abrasions, burns, cuts, wounds, IV & PICC Lines. Keep the plaster and bandage dry. Comfortable Waterproof Sealing Material: Made of neoprene materials with extremely high tension. The diameter of the entrance is between 3.4 inches and 10 inches (9 to 25 cm) around the thigh. Suitable for the leg length of 35 inches. The waterproof ring can be extended to the maximum extent. Satisfy leg comfort while effectively waterproof.