Heavy Duty Knee Pads- Multi-Surface- Extra Thick Comfort Foam with Gel Inserts- Soft Cap with Tear and Abrasive Resistant Material- Adjustable Size Straps- Black- One Pair Super Thick, Over 2/3 inch EVA Foam Padding for Ultimate Comfort and Protection Sleek and Non-Abrasive Front Material provides Surface Contact that won't Damage fragile floors Two Elastic Ultra-Adjustable Straps Provide secure Fit. Large surface, 13 x 8 x 4.4 inches covers entire knee Reinforced, Ballistic Nylon Material Created a More Durable Kneepad with Water-Resistance Soft Cap Provides Superior Cushion for your Knees without the Shock of Hard Cap variations