Material : Sturdy durable extra thick 3mm acrylic Shelf size: 15"(L) x 2 1/8"(H) x 1 5/8(W)" Internal shelf width 1 5/16" (nail polish not included). 1. Space Saver to DIY Your Own Style - Easily find the colors and bottles you want but doesn't take up valuable space on your dresser or vanity. 2. High Capacity - Hedume 6 Tier nail polish rack can hold 70-90 standard bottles of nail polishes ( depend on your bottles size ), or you can store some craft supplies, seed beads, flocking and embossing powder for home and garden and kitchen use. 3. Easy To Install - With separate, light 6 shelves nail polish holder, you can mount on the wall by a single person, without any noticeable effort. 4. The Extra Thick Acrylic Make It Long Use - With the seek design it is solid and very sturdy, easy to clean. 5. Wonderful Girls Gift - With this portable , good-looking ,sturdy organizer ,it can meet all people's wishes ,especially for festival gift. Warming Tip: There are some coverings printing on both inside and outside, help preserve and protect the surface, also peeling off them if you feel they are cloudy. Please be sure to tear off the inside and outside protective film before you use it, or they won't look so bright.