The Cotton Fleece Sleeping Bag Liner is a versatile outdoor sleeping bag liner. Designed to be used as either a Winter sleeping bag liner or a Summer lightweight standalone sleeping bag. No matter what season you are using this sleeping bag liner, you are sure to have a good and comfortable night sleep. The Cotton Fleece Sleeping Bag Liner is one item you will be glad you have on hand. When you need to use it, it is simple to remove from the included storage bag and deploy it either inside of your sleeping bag or use it as a standalone sleeping bag when the weather is warm. The fleece construction makes this bag ultra-warm and comfortable to sleep in, which will result in a better experience when camping in the field. Features: Can Be Used as a Sleeping Bag Liner, Lightweight Sleeping Bag, or Blanket Adds Thermal Protection of 12.1 Degrees Fahrenheit Elastic Compression Bands Zippers on Three Sides Open Size: 75" x 66" Zippered Size: 75" x 33" Made from Cotton Fleece Machine Washable