Two fabric options - Version A: 100% soft, breathable cotton for comfort and skin-friendly feel. - Version B: 200 g/m2 milky velvet fabric that is skin-friendly, healthy, warm, and resistant to pilling. Key features - L-shaped zipper design with 360-degree protection for your mattress; easy to remove and machine wash, helping protect the mattress and support long-term use. - Durable, skin-friendly materials designed for regular use and easy care. Compatibility and versatility - Designed for ultra-soft futon mattresses 2-10 cm thick. - Compatible with various mat types, including foam mats, memory foam mats, tatami mats, floor-bed rollers, and futon cushions. Care and maintenance - Machine wash in cold water; tumble dry on low. - Can be washed before first use. - For the first wash, add some salt and soak for 10 minutes to improve softness and prevent fading. Use scenarios - In a bedroom setup with a soft futon mattress (2-10 cm thick) to protect the mattress and extend its life, while staying comfortable and skin-friendly. - As a versatile cover over different mats (foam, memory foam, tatami) or futon cushions to simplify cleaning and maintenance. - In guest rooms, dorms, or family spaces where a washable, protective, and skin-friendly mattress cover is helpful for daily use and easy turnover.