Description: - Bike Arm Sleeve used for protecting arm from UV rays - Wear and put off easily, convenient to use - Upgraded Non-slip Elastic Bands on Top - It can keep you dry and cool in the hot condition and warm in cold condition - Super-wicking, breathable index 100% - Quick-dry function and make you feel more comfortable - For Cycling, Fishing, Golf , Drive, Jogging, Claiming and all other outside activities - Suitable Season: Spring, Summer, Autumn, Winter - Material: SpandexSize Chart:Size:M: Length 41cm / 16.1inch; Small Cuff: 15cm / 5.9inch; Big Cuff: 24cm / 9.5inchL: Length 42cm / 16.5inch; Small Cuff: 16cm / 6.3inch; Big Cuff: 25cm / 9.8inchXL: Length 43cm / 16.9inch; Small Cuff: 17cm / 6.7inch; Big Cuff: 26.5cm / 10.4inchXXL: Length 44cm / 17.3inch; Small Cuff: 18cm / 7.1inch; Big Cuff: 28cm / 11inchPackage Includes:1 Pair x Arm Sleeves