Outdoor Waterproof Lightweight Bivy Sack Camping Single Emergency Sleeping Bags

Outdoor Waterproof Lightweight Bivy Sack Camping Single Emergency Sleeping Bags. NASA-Grade Mylar Material: Made from durable, tear-resistant PE Mylar designed by NASA for space exploration. Dual Temperature Control: Reflects body heat to keep warm in freezing temps and deflects sun heat in hot conditions. High Visibility Design: Features bright black strips on edges to help rescuers locate you in emergencies. Ultra-Lightweight & Compact: Weighs only 0.12kg and fits easily into pockets, bags, or backpacks for easy carry. Customizable Options: Offers customized colors, logos, and functions like keeping warm and durability. Emergency Shock Prevention: Retains body heat to prevent post-accident shock and maintain stable body temperature.