[Premium Material] The cooling arm sleeves are made of a perfect blend of 92% nylon and 8% spandex, soft and skin-friendly, comfortable and breathable, not easy to pill and ergonomically shaped. They are highly elastic, moisture-wicking and quick-drying, effectively dissipate heat from the hands and cool quickly, ideal for outdoor activities in summer. Package includes: you will receive 2 pairs of cooling arm covers. Each pair is individually wrapped. We have 12 different colour suits to choose from, including Blue Series, Purple Series, Green Series etc. The range is very suitable for matching different garments and can give you a refreshing feeling even in the hot summer. Closure: as shown in the pictures as shown in the pictures [Thumb Hole Design] The unisex sleeves are equipped with thumb holes to ensure wider coverage of your arms and protect your hands from UV rays. The non-staining, non-slip elastic band can ensure that the cuff does not slip off the arm, adapts to the arms of most people, and does not give you any discomfort. [Comfortable and Breathable] The highly elastic cooling arm protector can wick sweat and dry quickly, which can give you a cool and icy feeling, avoiding sticky feeling caused by sweating and leaves no marks on your arms. (Small Tips: In summer, you can put the ice shell in the fridge for a better effect for a certain time to wear it.) [Widely Used] The sun protection arm cuffs can protect your arms during exercise, can effectively protect against UV rays, sunburn, scratches, abrasions, mosquito bites, etc., very suitable for outdoor sports, tattoo cover, hiking, cycling, running, basketball, golf, fishing, climbing, hiking, gardening, etc. Breathable and comfortable fabric Easy to clean