- Ultimate Warmth: The Polarfleece sleeping bag liner is designed for versatility, providing extra warmth to your sleeping bag while also serving as a cozy blanket for relaxation at home. - Ideal Size: With dimensions of 70 inches in length and 31 inches in width when zipped, this liner easily transforms into a blanket when unzipped. - Lightweight and Portable: This compact sleeping bag liner is easy to carry, making it perfect for use as a double blanket or picnic blanket when opened. - Comfortable Design: Experience a soft and pleasant feeling while sleeping in the liner. The dual-sided zipper allows for convenient access and use. Use Scenarios: 1. Camping Trips: Add extra insulation to your sleeping bag on chilly nights, ensuring a warm and comfortable sleep. 2. Home Relaxation: Use it as a blanket for cozy evenings on the couch, providing warmth and comfort while you unwind. 3. Outdoor Activities: Perfect for picnics or outdoor gatherings, where you can lay it out for relaxation or warmth when needed. This sleeping bag liner is a practical addition to your gear, enhancing your outdoor experience while offering comfort at home.