"Material: made of stainless steel, which is solid and durable, and can meet your various needs; Colors: gold, rose gold, black, silver^Easy to use: the lobster claw clasps are convenient to put on or take off, attach the buttons on both ends as extensive chains, extend your jewelry necklace, and there are many available alternatives for 4 sizes^Wide application: these extenders are fit for expanding the length of necklaces, bracelets or anklets, you can choose the appropriate length according to your neck, wrist, ankle^Size: 5 cm/ 2 inches, 7.6 cm/ 3 inches, 10 cm/ 4 inches, 15 cm/ 6 inches; Warm notice: do not wear the jewelry extender when exercising, bathing, swimming or doing heavy work, so as not to hit or tear^Package includes: 4 x gold extender chain, 4 x rose gold extender chain, 4 x black extender chain, 4 x silver extender chain, 16 pieces in total (4 sizes of each color, 1 for each size)^"