Description We start with a PE foam structure, laminate it with heat reflective polyester film, and then wrap the exterior with a Tyvek casing. The result is a well-insulated little space blanket for your food that cleans up easy in the case of a spill. The PotPocket is offered in two sizes to fit most backpacking pots, and doubles as a place to store your cooking system. Features Built-in handle Tapered top for effortless folding Easy-clean interior Optimal materials for structure & insulation Specifications Dimensions Height (top of insulated section): 4.13" (Medium and Large) Height (extended): 7.25" (Medium) 7.5" (Large) Diameter (top): 5.25" (Medium), 6.5" (Large) Diameter (top of insulated section): 4.75" (Medium), 5.75" (Large) Diameter (bottom): 4" (Medium), 5" (Large) Details: Weight: Medium: 19.8 g / 0.7 oz, Large: 25.5 g / 0.9 oz Pot Sizing: Medium fits most 550ml -750ml (D95mm) pots, Large fits most 750ml - 1100ml (D115mm) pots Materials: Coated Ultralight Tyvek, Heat reflective polyester film, PE foam