1. For sleeping, you can take it as a normal cervical neck bed pillow as well as an couple arm pillow, reduce arm pressure and offer support to the head for long night sleep.2. Different from other arm pillow, it has an supportive frame, to offer the best support to keep the original shape, durable for pressure bearing.3. Arch design, contour sweet couple pillow offers the best supports for your mate's neck and head, and the hollow design as tunnel leaves space for your arm.4. 100% pure breathable memory foam, keep original shape, soft but firm enough for support, great material as pillow stuffing, offers max. protection to neck, arm, head and other contact parts.5. Silk-like fabric pillowcase and full polyester pillow liner, both are breathable and skin-friendly materials. With invisible zipper, the cover can be removed for wash to keep it fresh.Specification:Weight: about 1500 g +/- 10%Size: about 65 x 49/31 x 11/12 cmStructure: frame + slow rebound memory cotton + full polyester inner cover + breathable silk-like fabric coverInclude:1 * pillowFeatures:1. It can protect the neck and head, and protect your lover's arm from pain and numbness.2. Ergonomic design to relieve neck pain and stress.3. Suitable for back / side sleepers, lumbar support and arm rest.Breathable heat dissipation, more comfortable sleep