1. 【Portable】: The NOFFA tri-fold mattress features a practical triple-fold design, allowing it to be easily folded into a compact size for efficient storage. This small double foldable mattress is ideal for guest rooms, camping trips, and RV travel, offering a comfortable rest solution wherever you go. 2. 【Certification】: Rest assured on a supportive sleep surface. The small double folding mattress is made with CertiPUR-US certified memory foam, which is verified for safety and quality. The foam provides comfortable body-contouring support to help ensure a good night's sleep. 3. 【Removable Cover】: The small double size folding mattress comes with a durable, removable cover featuring a smooth zipper, making cleaning simple. The bottom of the cover includes a non-slip fabric to help keep the 120*190*15cm mattress securely in place during use. 4. 【Mattress in a box】: Shipped compressed in a box for easy delivery. After unboxing, this fold up mattress 4ft can be used on the floor or most bed frames. Please allow up to 24 hours for the 120x190x15cm mattress to fully expand to its intended thickness and feel. 5. 【Warranty】: Your satisfaction is backed by a 1-year warranty. We are committed to providing prompt and thoughtful customer service to ensure a confident purchase experience with our futon mattress small double.