Bed Gap Filler — closes the space between headboard/wall and mattress while adding style and class to your bedroom. Key benefits Prevents items from falling into the gap and eliminates drafts or dust from the space behind the bed. Provides stable support and a comfortable surface to lean against when sitting up, reading, or watching TV. Improves bed appearance by hiding gaps and creating a neat, finished look. Features Thickness options: 5cm / 8cm / 10cm / 15cm to fit different gap sizes and comfort preferences. Material: high-quality linen fabric cover with elastic foam core — breathable, durable, and comfortable to the touch. Performance: elastic foam offers reliable support and recovers its shape, closing the gap securely between headboard/wall and mattress. Versatile use: suitable for single, double, and king beds; also works as a bridge for two mattresses, an arm/headrest for wooden sofas, wall gap filler, bay window pad, or bay cushion. Ordering and customization Choose the colour and "custom size". Then click on "Customize Now". Available in multiple thicknesses (5cm/8cm/10cm/15cm) — select the thickness that matches your gap depth. Practical use scenarios 1) Reading in bed: Place the filler between the headboard and mattress to create a cushioned, stable backrest so pillows stay in place and small items do not slip into the gap. 2) Master bedroom with two mattress halves: Use the filler as a bridge to level the sleeping surface and eliminate the uncomfortable seam between mattresses. 3) Bay window or wooden sofa seat: Use as a low-profile pad or armrest to soften the edge and provide a neat finished look while adding comfort. Compatibility and performance summary Works with single, double, and king beds and a variety of furniture types where a narrow, supportive filler is needed. Linen cover and elastic foam core combine breathability and durability for everyday use without sacrificing comfort. Choose your color and custom dimensions, select the preferred thickness (5cm/8cm/10cm/15cm), and click "Customize Now" to order a bed gap filler tailored to your needs.