Quality and size: The plastic of quality material, you wont worry about your beautiful curtains The dimensions are approximate.The diameter of the 14 mm curtain rail is 14 mm What do you get: can you get curtain track rollers not including long tracks to fit curtains, for , as as for each of your houses, enough numbers to also give to your family and Smooth sliding: these curtain track rollers can roll freely and smoothly inside the track Curtain rails are applied in a variety of track shapes and very smoothly Versatile : this ceiling flexible curtain rails look in environment Curtain tracks make good room compartments, window decorations, shower tracks, trailers, or compact space increase your space, giving you instant privacy Simple installation: easy to , check the suitable size of your home for installation, suitable for beam curtain track The easily moves from track to track, from open to Colour: white Material: plastic Size: height about 40mm Package Contents: 50 x Ceiling Curtain Track Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.