I purchased this new about 5 years ago and used it twice for camping and once in a lodge, then stored it at home. I don't think there are any noticeable stains or dirt. It was comfortable to sleep on. 【Comfortable Sleep】 KLYMIT's Static Insulated is designed to provide comfortable sleep outdoors. Its shape is especially ideal for side sleepers, fitting the contours of the body. 【High Insulation Performance】 Boasting an R-value of 4.4, it can maintain warmth even in cold environments. This allows for safe use even during winter camping or cold nights. 【Lightweight and Easy to Carry】 Weighing approximately 709 grams, it is easy to carry. It's the perfect item for outdoor activities and travel. - Brand: KLYMIT - Model Name: Static Insulated - Weight: Approximately 709g - R-value: 4.4 - Size: 23 x 72 inches (58.4 x 183 cm) - Material: 75D Polyester - Color: Red-brown - Features: Design for side sleepers Thank you for viewing.