Features: A comfortable waterproof protector which slips over a cast or bandage. Tightly sealed and waterproof design will keep the cast/bandage dry. Suitable for keeping water out when taking shower, bathing or walking in the rainy day. Environmental friendly material, no stimulation, harmless and reusable. Note: Please allow 1-3cm error due to manual measurement. Thanks for your understanding. The product will have an odor after being opened, and the odor will dissipate after being soaked for a while. For Long Arm Cast: Specification: Item Type: Long Arm Cast Material: PP + Silicone + PVC Item Size: 66 * 44cm / 25.9 * 17.3in Small Raing Diameter: Approx.20cm / 7.8in Package Weight: Approx.213g Package List: 1 x Long Arm Cast For Adult Calf: Specification: Item Type: Calf Cast Material: PP + Silicone + PVC Size: Approx.64 * 44cm / 25.1 * 17.3in Diameter: Approx.20cm / 7.8in Package Weight: Approx.208g Package List: 1 x Calf Cast For Adult Hand: Item Type: Hand Cast Material: PP + Silicone + PVC Size: Approx.25 * 41cm / 9.8 * 16.1in Ring Diameter: Approx.150mm / 5.9in Package Weight: Approx.110g Package List: 1 x Hand Cast Cover For Knee Joint: Specification: Item Type: Knee Cast Material: PP + Silicone + PVC Length: Approx.42cm / 16.5in Outer Diameter: Appprox.200mm / 7.8in Inner Diameter: Approx.150mm / 5.9in Package Weight: Approx.219g Package List: 1 x Knee Cast Cover For Adult Short Arm: Specification: Item Type: Forearm Cast Material: PP + Silicone + PVC Item Size: 59 * 25cm / 23.2 * 9.8in Small Ring Diameter: Approx.15cm / 5.9in Package Weight: Approx.117g Package List: 1 x Forearm Cast For Adult Ankle: Item Type: Ankle Cast Material: PP + Silicone + PVC Size: Approx.450 * 455mm / 17.7 * 17.9in Ring Diameter: Approx.200mm / 7.8in Package Weight: Approx.179g Package List: 1 x Ankle Cast Cover