the Product is Composed of a Delicate Abs Shell & a Sticky Tpe Rolling Ball. Remove the Rolling Ball After Use, Wash It with Water, & Use It Again After 3 Minutes, Reducing Paper Waste & Being Eco Friendly. the Product is Small & Easy to Clean Up the Hair, Debris & Dust on the Clothes in Time. It Can be Carried in a Handbag or Suitcase. the Detachable Upper Cover Design is a Good Dust-free Protection for the Travel Ball. This Product is Exquisite & Compact & Can be Carried with You.