Safeyear knee protection pads are made by foam EVA materials or PVC + TPR materials. Non-slip ABS shell is designed to protect knees from nails, screws, glasses and dirts etc. Soft and breathable mash liner will keep your knees from sweet for all-day fomfort. Heavy duty 750D cordura fabric aare built tough for long-lasting durability. A pair of comfortable and durable knee pads can effectively protect your knees from injury during work.