Specification Name: Arm fat slimmer Material: 80% neoprene/ 20% nylon<br> Size: 23.6 inchs<br> Weight：80g<br> Package Includes: Pair × Arm sweat bands for women&man <br>Washing Instructions: Hand wash in cold water after use,hang to dry,<br>help maintain shape and elasticity.<br> Do not machine wash,bleach or iron.