1.EXTREMELY TEAR-RESISTANT - special shoe covers with double hems (see photos) - durable white material 2. VERY GOOD QUALITY - extra thick polyester cover (9.6 grams per shoe cover) abrasion resistant High quality cover and tear resistant material The shoe covers are made of high quality white fine felt (SBP), abrasion resistant and coated with polyethylene (CPE). The coating is of high quality and makes the shoe cover hardwearing with a DOUBLE HEM to prevent tearing and with a reinforced sole to increase the hold when wearing. Hygiene Shoe covers are used in hospitals and in the medical sector. Outdoor Use the overshoes to protect your shoes while gardening. Protection on all floors Don't want to ask guests or artisans to take off their shoes anymore? Provide your guests with overshoes. Extra strong non-slip sole for good traction, elastic rubber band to keep overshoes on elastic ankles / ankles. Premium Quality - Embossed Polyethylene Coating, Liquid Resistant, Heavy Duty Thick Material 8-9 Grams Per Overshoe), Product Manufactured For Professional Use. Frustration Free: Sturdy, Tear Resistant, Won't Fade, Durable. Fit: Universal fit for different foot and shoe sizes. Blue color Size: all sizes (36 to 44) Quantity: 100 pieces (50 pairs) About chromatic aberration: The goods sold are all taken in kind , but due to different lighting, monitors, etc., there will be a little color difference, which is a normal phenomenon, not a quality problem To About the size: The dimensions of the products sold are all measured manually. Due to different measurement methods and tools, there may be an error of 1-2mm, which is normal