The emergency shelter can withstand storms, extreme cold, and even bullets. It can be set up in 40 minutes as a solid concrete structure.The shelter is delivered in a bag, which is ripped open and water added. The material soaks up the moisture, activating the concrete. But the cloth remains flexible and is inflated by a battery-operated pump. picked by 2manyusernames 11 months ago tags instant shelter wales concrete emergency crawford |
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