An essential item of safety equipment for any outdoor activity, survival shelters are now increasingly used by mountain rescue teams, outdoor centres, hiking clubs and youth groups. Originally designed as lightweight emergency shelters, they create a surprisingly warm and sheltered internal microclimate. Tough PU coated fabric with a window & air-vent 4000mm hydrostatic head and fully taped seams Reflective top-strips and waterproof seating panels Integral stuff sack with draw-cord closure  2 PERSON (OLD VERSION) TECHNICAL INFO Weight: 480g Dimensions: 20 x 12 x 12 cm Dimensions (unpacked): 135 x 40 x 100 cm Persons: 2  4 PERSON (OLD VERSION) TECHNICAL INFO Weight: 720g Dimensions: 23 x 15 x 15 cm Dimensions (unpacked): 120 x 120 x 105 cm Items: 1  Persons: 4 2 PERSON (NEWER VERSION) TECHNICAL INFO Weight: 345G Dimensions: 20 x 10 x 10cm Dimensions (unpacked): 140 x 90 x 45cm Persons: 2 4 PERSON (NEWER VERSION) TECHNICAL INFO Weight: 510g Dimensions: 22 x 12 x 12cm Dimensions (unpacked): 140 x 90 x 80cm Persons: 4