Features: Pack your first aid sleeping bag, not only for your sleeping bag, but also for your gadgets and medications. Collect medical medicine or sleeping bags, put it into the compression sack, tighten the drawstring and rope buckle to close. With whistle design in case of emergency in outdoor environment. Ideal for campers, hikers, backpackers, cyclists, etc. Colorful and large capacity rack is perfect for emergency needs. Lightweight and convenient for you to carry. If you confront any problems about our products, please feel free to contact us, we are ready to help. We will solve your problems as soon as possible. Specification: Material: Polyester Size: 7*12 cm Color: Orange Weight: 11g Notice: 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation. includes: 1Compression Stuff Sack