Quiet Curtain Rollers: Silent curtain rollers, these hooks only make a slight noise when the curtains are drawn. Effectively avoid waking up sleeping family members. High Quality Curtain Roller: The curtain roller is made of high quality plastic and metal, it is lightweight but strong, it can roll and slide smoothly on all tracks. Easy Installation: You just need to put the rollers into the curtain rod. The rollers work smoothly and do not get stuck. Smooth Glide: The rollers are very easy to slide and glide smoothly. The wheels move freely and glide smoothly in the track. Can be used even in humid places. Widely Used: Ideal for installing curtains, room dividers, valances and more. It can be installed on the windows of living room, study, bedroom, office, piano, dining room, wake you up gently every morning.