Multifunctional Large Backrest Headboard Pillow — available in six sizes (80 x 20 x 50 cm up to 200 x 20 x 50 cm). Designed as a triangular reading pillow and oversized backrest to combine comfort, support, and practical storage in one product. Key benefits Better posture and comfort: Firm triangular shape provides stable back and neck support for reading, working, or watching TV. Keeps essentials close: Builtin side pocket holds a phone, remote, keys, wallet, or glasses so you don't have to reach. Easy to clean and maintain: Jacket detaches with a zipper and button system; inner liner is separate for convenient cleaning and hygiene. Adjustable fit: Models include 2 to 7 buttons for easy adjustment and secure positioning on beds, sofas, or other seating. Main features Size options: Six sizes from 80 x 20 x 50 cm to 200 x 20 x 50 cm to suit single beds, double beds, sofas, or larger headboard needs. Button adjustment: 2–7 buttons across size options provide flexible fastening and shape control. Zipper + button design: Outer jacket can be removed quickly; inner liner remains separate for safe cleaning and longer product life. Side pocket: Accessible storage on the triangular pillow for small everyday items. Multipurpose use: Functions as a headboard pillow, backrest, and reading wedge. Where it works (use scenarios) Bedroom headboard: Place along the head of the bed to create a comfortable backrest for reading before sleep or for lounging — fits standard beds and larger layouts depending on chosen size. Sofa, sofa bed, or bunk bed: Use as a supportive backrest on sofas, sofa beds, or against bunk bed rails to improve comfort during sitting or reclining. Dorms, tatami, windows, or home office: Provides a compact, portable support solution for student dorms, window seating, tatami areas, or office break spaces. How it solves common problems Eliminates unstable cushions and awkward pillow stacks by providing a stable triangular form that supports posture. Prevents clutter by giving a dedicated side pocket for small items instead of leaving them on the mattress or sofa. Simplifies cleaning: removable outer jacket and separate inner liner make routine maintenance easier and more hygienic. Shopping guidance Choose the size that matches your bed or seating width (sizes range from 80 x 20 x 50 cm to 200 x 20 x 50 cm). Select the model with the appropriate number of buttons (2–7) for the level of adjustment and fastening you prefer. Ideal when you need one product that functions as a headboard, reading pillow, backrest, and smallitem organizer. Specifications (as supplied) Size range: 80 x 20 x 50 cm to 200 x 20 x 50 cm (6 size options) Adjustment: 2 to 7 buttons depending on model Design: Zipper and button removable jacket with separate inner liner Additional feature: Side pocket on triangular reading pillow Practical tips Fasten buttons as needed to secure the pillow against a headboard or wall. Remove the jacket via the zipper and buttons before cleaning the outer cover; wash according to product care instructions. Use the side pocket to keep frequently used small items within reach while you relax. This multifunctional backrest/headboard pillow combines support, storage, and easy maintenance in selectable sizes and configurations to fit bedrooms, living rooms, dorms, and more.