Comfortable all season fabric: the sleeping bag uses washed cotton fabric that is softer and more skinfriendly than ordinary fabrics. Its threelayer design provides warmth, wear resistance, and softness, with breathability and moisture absorption so moisture can escape, making it suitable for use in all seasons. Threelayer construction for durability and comfort: the interior is filled with cotton thread, the surface is washed cotton fabric, and the bottom features a nonslip particle layer. This arrangement delivers greater comfort, softness, and durability than pads made with solid cotton alone. Ergonomic design for natural support: the sleeping bag follows the curve of the body and provides support with slow elasticity. The sheet is wrapped with down gauze and cotton filling to offer soft, elastic support for the upper body, helping you relax and sleep more comfortably. Gentle, reliable body support: the thick construction prevents bottoming out and reduces discomfort such as pain or coldness while sleeping. Generously filled material creates a fluffy, soft feel that gently cushions the body, provides the right amount of rebound, and offers a comfortable cushioning experience. Key attributes and performance: threelayer structure with cotton fill, washed cotton surface, and nonslip bottom; breathable and moisturewicking; skinfriendly and durable; designed for comfort and persistent support. Practical use scenarios: Camping or outdoor trips in cool weather, providing warmth and comfortable support at the campsite. Home use in bedrooms or guest rooms to improve sleep quality with soft, cushioned support. Dorms or travel environments where a reliable, comfortable sleeping surface is needed for restful sleep.