Maybe there are always troubles caused by gaps, but this multi-used gap filler can solve it perfectly. This 10" thickness wedge pillow can be used on the headboard to cover the gap between the mattress and the headboard, or between the mattress and the wall when there is no headboard. It also helps to stop the mattress from sliding if you put it between the gap of the bed frame and the mattress. After use It firmly supports your bed pillows and provides a comfortable angle for sleeping. The triangle shape with a fan-curved top also forms a good decoration on your bed. The wedge pillow can also be used in a variety of places, it can give comfortable support to the lower back on the sofa, provide barrier support on kids' beds or toddlers, or a rest support on the daybed. It is helpful wherever you want to use it.