Shock-absorbing knee pads made of durable PVC material. - Product Name: Shock-Absorbing Pads - Application: For Knees - Color: White - Features: Comfortable edges, difficult to peel off - Material: PVC Selling because I retired from baseball. Stored at home. Bulk sales are also possible, so please inquire. Please refrain from purchasing if you are concerned, as they are stored by a private individual. No claims and no returns accepted. Thank you for looking.