... , Double Stitches (all roofs and walls)• PVC Floor goes up 100mm to prevent water on the ground ... from coming into the tent, (main tent floor)• PE floor can get connected to the annex wall by ... Marine Plywood with strong steel frame & two access panels under mattress, 18mm thickness• Steel Ladder for main bed ... be separated into three pieces(roof, wall & floor),and attached by zip and/or velcro. you can ...