Oidon UV Protective Arm Sleeves Gloves Elbow Length with Fingerless Gloves, No Logo Printing Material:Lycra 10%; Polyamide Fiber 90% The length is about 17.7", arm circumstance is about 8.7", and cuff circumstance is 7" (not stretched) Protect your arms & hands against UV rays Good air circulation to let you feel cool in hot weather High elastic arm cover sleeves for both men and women