... 's always used in the jewellery and crystal curtains, it's really very beautiful as jewellery material. And very popular in the younger.The products ... competitive price.2. delivery time: usually 7-10 days,according your order3. packing: gift box4. payment: T/T, Western union, L ... : such as 28mm, 38mm, 50mm, 63mm, 76mm, 82mm, 100mm and so on And also many color: red, purple, violet, Yellow, green, blue ...