he main frame is made by strong tubular aluminium sticks, shaped and anodized to resist to stress and weather without risk of oxidation. The cover is made by a strong PVC sheet of 210 denier, coated to become fully waterproof and strong enough to bear 5000 mm of water pressure, an extreme condition which is not recorded in the weather statistics because is more than rare. All stitching are made from PE filament and then hot sealed to grant full safety and durability. The cover sheet’s tension can be pulled to the maximum, thanks to the aluminium rings and pegs supplied with the product. The main door and lateral windows feature the mosquito net, as well as both aeration windows located on back side, which are useful in summer season to keep the inside as fresh as possible. In the middle of ceiling, a hook is provided to hang the bivvy light. The groundsheet is made from strong PVC to resist from abrasion due to rocks hidden in the ground, and can be removed to easily wash it. The Punisher is supplied with a carry bag for easy transport.