GSI Outdoors Ultralight Cutting Board Use: camp gourmet Weight: S 2.6 oz (6.6 g) L 7.6 oz (19.3 g) Small - 9.6 in. x 6 in. x 0.1 in. Large- 15.7 in. x 9.1 in. x 0.1 in. Robust, 2.4 mm thick polyethylene cutting and food prep surface offers greater stability and lasting durability. Integrated gutter helps to contain juices.Material: Polyethylene