... , telescopes, microscopes, cameras, sunglasses, goggles, laser record, jewelry, mobile, wristwatch and other delicate surfaces, promotional, free gift etcDelivery time ... big black plastic beadUsage: Certificates Hi there! This is Sherry from Dongguan Jiacheng Textile Co., Ltd. Nice to meet ... products are microfiber material, water and oil absorption is 5-7 times than cotton. Strong cleaning for dust ...