Đệm Lưng Bằng Foam - Mềm

I was skeptical a simple foam roll could help, but after a week of using it in my office chair, the pressure at the base of my spine has noticeably eased. The 11-inch length sits perfectly at my lower back, and the strap keeps it from sliding around even when I lean forward. It's soft enough for all

The adjustable strap is a lifesaver—I clipped it onto my office chair and the pressure in my lower back faded within minutes of sitting down. Took it in the car for a long drive yesterday and it stayed put the whole time. 11 inches is the perfect length for my mid-back support.

I was skeptical that a simple foam roll could make a difference, but the adjustable strap keeps it firmly in place on my office chair all day. The 11-inch length hits my lower back just right, and the soft foam is firm enough to support without digging in.