Stretch Fit and Seamless Comfort and Anti-SlipOur arm sleeves are made of four-way stretch fabric. The stretchy nylon fabric stretches to over 4 times its length, no matter your arms are thick or thin, you won't feel uncomfortable due to strangulation marks. Our arm sleeves fit your arms snugly and are less likely to slip off, while also being more comfortable and not too loose to detract from the wearing experienceAnti-Pilling and Color Fixing and Long-LastingOur arms sleeves for men women are anti-snag and anti-pilling treatment, which is wear-resistant and long sustainability. Our arm covers are color-fixed and will not fade as long as they are not soaked for a long time. This arm sleeves can be machine washed with laundry bag, but hand washing is recommended. Doesn't tear easily with long washings. How could you miss itUPF 50+ Protection Arm SleevesSay goodbye to reapplying sunscreen every 10 minutes! Our UPF 50+ arm sleeves for men women are made of high-quality soft nylon , can really block up to 98% of harmful UVA and UVB rays, can block harmful sunlight whether you're golfing, fishing, playing basketball, cycling, hiking, driving or even gardening, etc., and prevent skin from sunburn and agingExcellent Tattoo Cover Up SleeveDitch the long-sleeved shirts and be the tattooed man! Our tattoo sleeves are made from a slightly thicker nylon material than regular arm sleeves. As you know a pair of regular arm sleeves weighs about 30 grams, while our tattoo cover-up sleeves weigh about 49 grams. In addition, the yarn we choose for our arm sleeves is of medium thickness. So our arm sleeves can cover tattoosCool Wearing and Breathable and Quick DryingHottest Summer, meet your new friend: our uv arm sleeves. Wearing arm sleeves for men and women work in hot days will have an instant cooling help by 2-3C, making you feeling cool and comfortable. The more you sweat, the cooler you will feel. That's right, this is our uv arm sleeve, which is breathable, moisture-absorbing and fast-drying. Our arm sleeves are made with a sweat-wicking fabric ,it can keep you cool even on the hottest days