- Ultra-lightweight Design: Weighing just 128 g (0.28 lbs), this sleeping bag insert feels almost nonexistent, making it ideal for travel and outdoor adventures. Dimensions: Extended format 80x210 cm (31.5x82.7 in), Compact format 6x15 cm (2.4x5.9 in) for easy storage without taking up extra space. - Comfortable and Breathable: Crafted from soft, matted nylon with low elasticity, the new velvety fabric provides a cozy sleeping experience. Its breathable material promotes airflow, ensuring you enjoy a restful night while effectively inhibiting the growth of bacteria and mites, reducing itching and odors. - Easy Maintenance: The sleeping bag liner features a washable label that conveniently fits into the bag, preventing it from getting caught in the zipper. Machine washable for quick cleaning, it saves you time and effort, allowing for easy recycling after washes. - Enhanced Protection: The inner sleeping bag enhances warmth and comfort while absorbing moisture to keep your sleeping bag dry. It improves the durability and cleanliness of your sleeping bag, reducing wear and tear, and is easy to clean. Use Scenarios: 1. Ideal for camping trips, providing extra warmth and comfort in chilly conditions while being lightweight for easy transport. 2. Perfect for hostels or travel accommodations, offering a hygienic and comfortable sleeping solution wherever you go. 3. Great for outdoor festivals or events, ensuring a restful night's sleep without the bulk of traditional sleeping bags.