Nylon,Polyester Material: Our uv protection cooling arm sleeves are made of polyester & nylon, soft, stretchy, breathable, comfortable to wear, durable and easy to wash, you can wash with a washing machine or by hand.Wide Uses: The cooling shawl arm sleeves match with various clothes or styling, suitable for many outdoor sports, you can wear it playing golf, driving, riding, jogging, climbing mountains, fishing, playing tennis, travelling, shopping and more.Sufficient Quantity: The package includes 1 pieces of sun protection cooling arm sleeves, enough quantity to meet your using and replacements. You can also share them with your friends and family.Practical Design: The arm sleeves shrug is stretchy enough for your elbow's movement and overall mobility. Finger hole design allows your fingers move flexibly. The cooling shawl covers both the shoulders and arms, providing good sun protection function in hot weather.UV Protection: The cooling compression arm cover is designed for long, hot hours under the sun. They can protect your skin from harmful UV rays and keep it away from freckles, dark spots, dull and peeling and other troubles to avoid premature aging.