<Use manual packaging.> ★Material: Chain: Stainless steel. Triangle: Brass. ★Size: Total length include catches is about 40 cm + 5 cm extension chain. ★Precautions: ▶Do not wear in hot springs. ▶We hope you like tour natural stone, because every natural stone is different. ▶Because the size of the materials to be produced is different, for example, each size of the muti-faceted natural stones is slightly different, so the total length of the product may have size error of 0.1 to 0.3cm, which is not exactly the same as the length and dimension select at the time of ordering, and the arrangement will be slightly adjusted according to the length. ▶All items in the image may have color differences due to factors such as light or resolution. ▶Because the goods are handmade and according to the size and materials you choose, so there is no stock available for replacement, please make sure the size you choose is correct, because there is no replacement service after the subscript.