PROTECT YOUR SLEEPING BAG: Sleeping bags are huge investments and are always a pain to wash and dry. Extend the life of your bag with this liner. Slip it inside your sleeping bag to protect it from your sweat and dirt. Machine wash cold and hang dry for great results. COMES WITH A TRAVEL SACK: All our liners come with a handy travel ready carry sack. The single carry sack measures just 8” x 6” making this a no brainer to throw in your bag on your next camping trip or holiday!. FULL LENGTH ZIPPER OPTION: Choose between zippered or more basic flap designs. The zippered liners have a full length zipper, which means you can open the liner up fully all the way to the bottom, making it super easy to get in and out or to open up and use as a travel sheet. COMFORTABLY FITS ANYONE UP TO 6’6: Unlike some other liners, the Tough sleeping bag liners are generously sized; the singles are 37” width and 85” in length. The double is whopping 74” in length. HANDY PILLOW POCKET: if you’re camping you can stuff your down jacket in the pillow pocket to make a cozy pillow or when travelling put the hotel or Air BnB pillow in the pillow pocket for a more hygienic sleep. LIGHTWEIGHT AND BREATHABLE: whether you choose the 100% Cotton or Premium Polyester, both fabrics are lightweight and breathable. The breathable fabric helps promote airflow and wicks away moisture for a fresh and comfortable sleep. Now you can have a cotton travel sheet wherever you go!. ADDED WARMTH AND COVER: these sleeping bag liner ultralight are great for use as camping sheets when it’s a bit cooler as they add between 5 – 10F warmth to your sleeping bag. Or when it’s hot in the summer the lightweight liner can be used on its own as a breathable cover that provides some warmth and cover. A FRESHER, MORE HYGIENIC SLEEP: these sleeping bag liners can either be used in a sleeping bag to keep your bag clean and you can easily wash the liner. The integrated pillow sleeve gives added protection and comfort making these the perfect travel sheets. TOUGH LIFETIME WARRANTY: Customers love our hassle-free warranty and you'll love it too! With more than 7500 5-star reviews, our camping gear is the #1 choice for discerning customers. We put a no-questions-asked TOUGH LIFETIME WARRANTY on our sleeping bag liner. Beat that. YOUR GO-TO TRAVEL ACCESSORY: We bet this XL sleeping bag liner will become your new favorite travel accessory. The soft, lightweight and breathable adult sleep sack will add warmth and comfort to your sleeping bag, help you avoid germs and get nothing less than pristine travel sheets for hotel and AirBnBs and ensure a comfortable night’s sleep wherever you rest your head. Cotton.