About Jamdok : We are committed to make sleeping more comfortable. Enjoy the sunshine on the soft and comfortable lounge chair. When camping, the back no longer feels hard and difficult to sleep. At the same time,It helps you to solve the temporary sleep problems in a variety of situations, such as unexpected guests, "spare beds" for houseguests, family reunions, car camping , trips, etc. Tips: Before first use, leave the foam flatly in a well ventilated area for 48-72 hours until it's fully expanded. This cot mattress provides medium firm support and prevents sunken in areas. You can try it if you don’t like feeling like trapping in quick sand when laying on it. It's 3" thick and You cannot feel the floor underneath body. It won't have any strange smell.This is a whole piece of foam, don't worry about crease when you sleep. Breathable Surface Breathable fabric keeps the body dry. And it's so comfortable that your skin will love to touch it. Eliminating “Flying Mattress” The four corners of the mattress have a fixed rope, and the bottom of mattress is made of slip resistant fabric. This eliminates the very annoying problem of the dreaded “flying mattress”.And can effectively prevent moisture during outdoor travel. Easy To Carry After being tied with webbing, women can also lift with one hand. Machine Washable The mattress cover can be easily removed and cleaned. This mattress topper can fit into a single bed frame or camping cot for added sleep comfort.You can take it for SUV car(1. trunk, 2. back seat)during a car camping.Can be used a floor mattress at home or lawn. An extra comfortable "bed" or play mat for your guest and kids!Foam mattresses were a big hit in the tent, an air mattress on the floor in your tent means that a large percentage of the space is not walkable. NOT SO with these foam mattresses! You just throw this on sofa top when you have company and voila! we have a comfy bed for guests. And when guests leave it's easy to roll it up and tuck it away in the closet.When using the mattress for a Spiritual retreat you will feel warmth and comfort. The mattress can support Side sleepers' shoulders and hips , disperse the body pressure, keep the back spine basically level, and relax the spine to the greatest extent.Sleeper just like floating on the top of the cloud Without sinking in it, whole body relaxed totally, and it don’t feel very hot to laying on it, give your shoulders and back plenty of rest，NO WAKING UP for Back-pain or annoying discomfort from hard floor.How important it is to get good quality of sleep in the life! Side sleepers who often feel pain will like this mattress topper very much.