Ships from Hong Kong. Sun Sleeves can protect user from ultraviolet light and over heated. It’s easy to put on and take off. Because it’s made of natural fiber, it makes the user feel cool and comfortable in hot summer. It’s suitable for people who are going out for playing golf or badminton, fishing, climbing,running or driving. Big cuff width: 9 cm /3.54 inch Small cuff width: 8.5 cm / 3.35 inch Sleeve length: 38.5 cm / 15.16 inch It’s made of ice silk. It’s cool, soft and comfortable to touch and wear it in summer. It’s effectively sun protect, uv resistance, breathable, anti-ultraviolet and moisture absorption perspiration. It’s suitable for walking, workout, playing all kinds of ball, cycling, running, climbing and travel.