The Alu Seat Mat 45x90 cm from Tatonka is a large, foldable seat mat for two people. The aluminum foil laminated with PE foam is light as a feather, can be folded small and reflects your own body heat. It is perfect for on the go and for cold or dirty undergrounds. You won't sit in a hole, you won't be trapped and you won't feel like you're sitting on pins and needles - you'll be dry and comfortable.