[925 Sterling Silver Beads Covers]: Crimp beads covers are made of 925 sterling silver, smooth surface, soft metallic luster, good ductility, silver makes it more textured, not easy to rust or fade, won't bring burden or cause discomfort to your skin, safe and comfortable to use. [16Pcs Beads Covers In A Box]: 16Pcs bead end tip in 2 sizes, 8pcs for each size, all packaged in a small box: 68x52x11, easy to not lose the pieces, can keep covers for dirty. [2 Size]: 2 Size: 3/4mm, the 3mm: 0.16 inch(4mm) wide, 0.12 inch(3mm) long, 0.08 inch(2mm) thick; bead: about 0.12 inch(3mm); the 4mm: 0.20 inch(5mm) wide, 0.16 inch(4mm) long, 0.10 inch(2.5mm) thick. [Easy to Use]: These crimp covers are open on one side allowing them to slip over the crimp tube, and these crimp covers can be applied with all beading wire to secure the start and finish of the strand. [Wide Application]: The crimp beads are nice accessories for DIY, suitable for jewelry crafts repairing and making, for covering up crimping beads, cord knots, or wire ends for bracelet, necklace, or anklet jewelry making and crafting.