Nylon 进口 Hand Wash Only Hand Wash Made of quality nylon and spandex material, which has good elasticity and bring you silky touch, durable enough and not easy to tear, easy to wash and air dry, can keep its elasticity well after washing Great for pin up looks and pairs great with lingerie Don't open the silk stockings when you buy a new one. And you could directly put the silk stockings into the fridge for 1-2 day. After that, you need to take it out of the fridge and place it about half a day. Because the change of temperature could improve the tenacity of silk stockings, the cooling silk stockings can't be easily broken. If these are not best for you, simply let us know. We'll issue a prompt replacement or refund, no questions asked