Flexible and Stable: these skin protector sleeves fit your arms comfortably and are flexible, which adapt to different body shapes and sizes, and stay in place without rolling or shifting when moving aroundNylonBreathable and Comfortable: these arm sleeves are made of soft and comfortable protective blend of non latex chitosan, rayon, nylon and cotton, which provides effective protection for arms and wrists; The thin skin breathable covering fabric blend keeps you cool in the summer and warm in the winterArm Protectors for Thin Skin: there are 9 pairs of arm protectors for thin skin and bruising in 3 colors, black, white and beige, 3 pairs for each color, which are designed to keep sensitive thin skin from tears, bruises and abrasions while providing comfortSensitive Thin Skin Protection: these arm sleeves for women provide a thin breathable layer of protection to cover up bruises, cuts and wound sites, which are good for thin skin, post operation care, those with diabetes, and moreCompression Sleeves for Arms Women Thumb Hole: these protective sleeves for arms are designed with comfortable thumb opening, which allow for full range of motion, and provide protection for skin, wounds and other skin problems