Make-A-Berm™ allows for spill containment to be installed around difficult to move equipment, spill-prone areas or areas where a standard-shaped berm wont' work. heavy duty vertical corner pieces are key to providing a full spill containment, by giving you needed protected at a wall or vertical barrier seam. The heavy duty vertical corner pieces are easily attached to the wall or vertical barrier with polyether-based adhesive. Non-absorbent Orange modified PVC coated fabric provides a highly resistant barrier to contain oils, gasoline, acids and other liquids. Justrite® Make-A-Berm™ Vertical Corner, Heavy Duty, For Use With: Vehicle Traffic, Fork Lifts, Wheeled Carts and Hand Carts, Specifications: Half-Moon Berm, Open Cell Urethane Foam, -40 to 180 °F, PVC Coated Fabric, Orange, 11 in L x 4-1/2 in W x 1-1/2 in H Dimensions