3D Air Net vs. 4D Air Net -- 3D air net adopts German textile technology, 4D air net adopts Japanese ultra-fine polyethylene fiber. Therefore, 4D is not an upgrade of 3D, its functions are almost the same, just the production technology is different. At the same time, 3D air net does not breed mites, is physically antibacterial, does not contain formaldehyde, heavy metals, no odor, no glue. Full Support Happiness -- Our long bath pillow covers from the neck and back to the coccyx. Made of high-quality air net, it is comfortable to touch and has an elegant cloud pattern that enhances its beauty. The 2.4-inch high pillow is designed to effectively relieve neck pressure, and the size of 126x41CM provides almost complete support for the whole body. It is a holistic relaxation experience that injects more comfort and pleasure into your bath time. NON-SLIP STABILITY - With 13 sturdy suction cups on the bottom, our full body bath pillow adheres securely to any smooth surface, preventing any unwanted movement or floating of the bath pillow during use. Enjoy a long, safe soak in calm water without worrying about slipping. Removing it is a breeze thanks to the thoughtful little handle, and the included suction cup scoop provides extra convenience, eliminating the need to forcefully remove it after use. EASY MAINTENANCE - Our bath pillow is a breeze to clean! It can be conveniently hand washed or placed in the provided 50x50CM laundry bag to simplify the machine washing process. This method saves you time and energy, and eliminates concerns about potential damage. After cleaning, the hook allows you to easily air dry it in a sunny or well-ventilated space. And a storage bag is included to ensure easy storage and travel convenience. Keeping it in top condition is a breeze! LUXURY INTO YOUR LIFE - The 3D Air Mesh fabric creates a velvety soft texture, providing a comfortable and breathable feel against your skin. This unique design not only removes impurities quickly through water flow, making it difficult for bacteria to grow, but also promotes rapid air circulation, fast drying, prevents water accumulation and prevents yellowing. Give the full body bath pillow as a gift to your mother or female friends, allowing them to enjoy a comfortable hot bath.