Simply rinse, and these handy lint rollers can be used over and over! The sticky surface easily picks up lint, pet hair and more. Set includes 2 sizes, each with a brush on the back for removing stubborn pet hair. The small roller folds in half to fit in your purse, and the large roller includes a cover. Plastic. Small roller approx. 9"L x 1"W x 1 1/2"H when open, large roller 4 1/2"L x 4 1/4"W x 7 1/4"H.