The Folding Sit Mat from Mountain Warehouse is in a handy lightweight size and is ideal for walking and gardening, providing comfort and thermal insulation. Lightweight, the mat is the perfect size to take on camping trips, festivals and picnics as it folds up to a sixth of its size making it compact enough to carry with you or put in your rucksack. Dimensions - 30cm x 9.5cm (closed) 37cm x 30cm (open)