mini lint roller is compact, foldable and even easy to put into the pocket. So you can get rid of falling hair and residues anytime and anywhere. The best adhesive does not damage the fabric. Dust cap can easily prevent dust from entering. cotton lint remover is easy to rinse out, just rinse warm water with soap or detergent, and wait for the cotton lint roller to dry completely before use, or wipe it with a paper towel, and then use it again. Size 3.9 " x 1.2 "