This tent is designed to reflect up to 90% of body heat, ensuring warmth and dryness. Weighing only 8.7 ounces, it folds into a compact 5.25”x 3.25” size for easy portability. It includes a 120-decibel whistle and a 550lb Para-Synch drawstring for emergencies. Price drops from $19.28 to $9.99. Shipping is free for Prime members or on orders over $35.