Size and design This backrest positioning support pillow set includes a large triangular wedge pillow. It aligns with the width of the mattress, making it ideal for reading in bed. Soft breathable Tatami Reading Backrest Cushion. Multipurpose use This triangular headboard pillow provides support for back and neck while reading or watching TV. It can also serve as a headboard for a day bed or RV trailer. triangular wedge pillow positioning support. Comfort and materials Large bolster wedge pillow. The back support pillow set comes with Velvet pillow cover and good quality polyester liners, hand stuffed with quality, density polyester fibers. Large pillows for daybed. Alternative as a headboard Many people, especially college students, find the triangular reading bed rest pillow as a headboard: both decorative and functional. queen size wedge bed pillow, triangular headboard. Practical uses Reading in bed with back and neck support. Watching TV or movies from bed or a sofa with elevated back support. Using as a decorative and functional headboard for day beds, RV trailers, or dorm room setups.