The 4-in-1 Warmer Blanket Cushion, embodying universal design, mitigates cold extremities, slipping blankets, and spinal discomfort for wheelchair users, stroke survivors, and travelers. Its washable, wire-free smart textile delivers app-controlled warmth for feet/hands (blanket), lower back/abdomen (cushion), neck (pillow), upper back (cape), with snap straps securing armrests, recycled PET yarn, and foldable design.