Thank you for viewing. I'm selling this because I used it about three times, but it was too stimulating for me. I have discarded the box and instruction manual. 【How to Use】 Simply lie down and align your head and neck to comfortably loosen your body. You can relax just by releasing the tension in your body and gently swaying from side to side. Please refer to YouTube or similar resources for usage instructions. This item has been stored at home, so please refrain from purchasing if you are sensitive to minor details or are overly concerned about them. The RAKUNA shoulder blade release pillow effectively loosens the muscles around the shoulder blades using 18 SHIATSUBOs and 2 additional ones. It's an item that allows you to easily relax at home. 【High-Quality Materials】 Made of polyurethane, it is lightweight yet durable. The design is from Japan and manufactured in China. - Brand: RAKUNA - Product Name: Shoulder Blade Release Pillow - Weight: 1120g - Size: 400mm x 270mm x 110mm - Material: Polyurethane - Design: Japan - Country of Origin: China Please note that we do not accept returns after purchase.