Safe Materials: The organizer is made of non-toxic and odorless plastic which can be safely used; It is transparent and safe materials to ensure healthy and safe storage for any other items | Varied dimensions: One drawer organizer set includes 23 pcs storage bins in 5 different sizes. Include：9 x 6 x 1.8 inches (2 pcs), 9 x 3 x 1.8 inches (3 pcs), 6 x 6 x 1.8 inches (3 pcs), 6 x 3 x 1.8 inches (6 pcs), 3 x 3 x 1.8 inches (9 pcs) | Stackable and Space Saving: Stackable drawers not only save space but also maximize space so that your desk drawers can be efficiently organized | Non-Slip Design: The bottom of the organizer bins has a non-slip design to prevent the tray from moving around when opening and closing the drawer