Black Gem Holder with Case: package includes 18 x small clear plastic box and outer organizer case. Small boxes are 1.1 x 1.1 x 0.6 inch(2.9 x 2.9 x 1.7cm) ; outer size is 3.7 x 4.9 x 0.8 inch(9.5 x 12.5 x 2cm) White Sponge Mat Included: the inside of the box contains sponge pads to protect the diamond from any bump and no slip and prevent scratching your loose gems and can better showcase the color and luster of your gemstones Easy to Use: each display box has a clear lid to keep items separate and organized clear lid makes it easy to see the inner box storage items and find what you need. Not only used to store jewelry but also protect them from oxidation and fading Quality Material: the container boxes are made of plastic fine workmanship ensures the smooth surface and rounded edges sturdy and durable not easy to break and tear easy to clean with damp rag bringing you comfortable experience Multiple Usages: the small containers are great for displaying small parts such as diamonds stones gemstones beads jewelry necklaces rings earrings fossils gems collectibles makeup nail supplies crafts and other small crafts