This 3-in-1 multi-function diamond painting storage set features stackable diamond containers, each unit containing two stackable layers that can be used as sorting trays or individual storage boxes. One set combines two trays and one storage case, letting you quickly store and arrange diamond drills without wasting time transferring supplies back and forth. Each container can hold a large quantity of drills, plus beads, nail decorations, other small crafting items, making it the perfect organized storage solution for various craft materials. The included sturdy storage rack neatly holds twelve containers in place, fully independent compartments so you can grab any box mid-project without disturbing the rest. The rack supports multiple placement angles to let you choose the most comfortable setup for your creative process. Available sizes: 24, 36, 48, 60.