Criti Clean CPE cross-linked polyethylene shoe covers are lint-free and very protective against liquid splash or spills. The plastic material is very durable. These shoe covers are snug fitting and easily recognizable due to the bright white or blue color. They are very cost-effective and easily contain any particles that would come from your shoes. CPE material is ISO6 Class 1000+ compatible. These shoe covers come bulk backed in in bags of 100pcs