One side 100% Cotton Other side 100% Recycled Polyester microfleece Fill Material is 100% BPA- free and scent- free Polyethylene (PE) beads Measures: 29" x 4" Weight: 9 oz FEATURES • Natural stress relief. • Signature four-pod design targets key pressure points for optimal relaxation. • Designed for side-sleeping, while effortlessly adapting to any position. • Soft and flexible out of the freezer for headache relief.