• No more objects slide down into the gap with our trapezoidal gap filler pillow• Fills gaps of different widths: 0”-4”; 5”-6”; 6”-8” • Effectively supports optimal spinal alignment and alleviates pressure points• Can be used against the bed board, without the bed board, on the sofa or with tatami• 2 side storage pockets (5” x 3.5”) for convenient organization of essentials• Comfortable and breathable cover is machine-washable for effortless cleaning• Firm 25D sponge with effective support provides long-lasting durability• Make you enjoy relaxing and comfortable leisure, reading and sleeping time• Helps reduce strain and discomfort on the back, legs, and knees