This sturdy plastic compartmented box has adjustable dividers so you can make as many compartments of whatever size you want! 16 dividers are included to create 20 spaces. The inside dimensions of compartments are 2″ deep by 2-⅛″ fixed width, and are as wide across (up to 9″) as you like. The box is made of white translucent plastic and measures 13-½″ x 9-½″ x 2-3/16″ overall, with sturdy latches on the lid and a convenient hinged carrying handle. Extra dividers are available in sets of five.