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Key Features

• 【XL Size for Greater Coverage】A solution designed for larger seats. With increased dimensions of 18.5” x 16.5” x 3.14”, it provides a more expansive seating surface for office chairs, car seats (especially trucks/SUVs), and wheelchairs, effectively addressing the "too small" issue and ensuring full support for the tailbone area.
• 【Secure Non-Slip Base & Contouring Support】Features a non-slip PU leather bottom to stay firmly in place on smooth chair surfaces. The high-density memory foam core conforms to your body's curves, evenly distributing pressure to provide steady, supportive comfort—not a soft, sinking feel—for prolonged sitting.
• 【Enhanced Support for Multiple Settings】As an XL, extra-thick support cushion, it focuses on delivering upgraded stability for larger seats. Whether for a big office chair, a car seat during long drives, or a wheelchair needing additional pressure relief, it offers more complete coverage and stronger support.
• 【Portable & Washable – Important Note】Includes a convenient carry handle for easy portability. The cover is removable and machine washable for simple maintenance. Please note: Memory foam is temperature-sensitive; it may feel firmer in cooler environments and will gradually soften and conform as it adjusts to room temperature and body heat.
• 【Designed for Spacious, Stable Comfort】The core value of this product lies in "greater coverage area" and "more secure, non-slip placement." It is designed for users seeking a spacious sitting feel or those using larger seats, providing a solid solution that stays firmly in place and offers comprehensive support.

Specifications