Skin-friendly MaterialThe cooling arm sleeve is made of 92% polyester and 8% spandex. The material of milk silk can make you feel soft, smooth, skin-friendly, zero burdens, just like your second skin. The fabric is easy to stretch without deformation, and comfortable to wear without tension. Basic Design for Summer, Spring and autumn.Exquisite Sewing ProcessThe stitches are straight and smooth, The stitching is firm and compact. Can effectively prevent tear when stretched of strenuous exercise. The wiring is smooth and fine, which makes it more beautiful.Sun Protection Arm SleevesThe sun Protection sleeves can effectively block 99% UVA/UVB rays. Protection class is UPF 52+. Protect you from sunburn, freckles, dark spots, peeling or other skin problems. No worrying about the exposure to the sun.Designed for Outdoor and Indoor ActivitiesPerfect for Men and Women. You can wear this cooling shawl arm sleeve to golfing, cycling, running, jogging camping, hiking, fishing, self-driving, climbing, travel, outing, etc. This sun shawl is a good choice as a thoughtful gift for your friends or families.Cool Fabric & High ElasticityUV Cooling Shawl adpots high elasticity cold material fabric. Ice-cold ,comfortable and breathable. For outdoor use, the temperature in the shawl and sleeves is 6 degrees lower than the outdoor temperature. And it is designed with finger hole which can protect your half upper hand and help hold the sun sleeves well. You don't need to worry aboult sliding up or down.