Coating Material: Velvet Size: 40X20X30cm Premium pearl cotton provides support and comfort, and the inner core is non-cleanable. Protect the waist from stress, relieve back pain and reduce pressure on the cervical spine User-friendly design helps maintain cervical spine curvature and promotes correct sitting posture. Ideal for back support in bed, office chair, sofa, etc. A gift for yourself, a friend or family. There are more styles in the store, welcome to buy. Pillow type: pillow Material: velvet Filling: 100% polyester fiber Size: 40X20X30cm Use: sofas, bedding, gifts , hotels, reading, cars, etc. The package includes: 1 * bed back support pillow It supports you when you sit or lie down and can relieve painful tension or back problems alleviate. This comfortable back pillow is your best friend for eating, drinking and watching TV. Emphasize: Durable beautiful structure, detachable triangular pillowcase for easy cleaning. 2 side pockets for easy storage of small items such as pens, mobile phones, TV remote controls, etc. Metal zipper design, easy to disassemble. Can be used for sofas, bedsides, office chairs, etc. A good gift for yourself, your friends or your family. Tips: Due to the different screen resolutions, there are subtle nuances, I hope to understand Manual measurement of the size, the error is 1cm -3cm is normal, I hope to understand Coating Material: Velvet Size: 40X20X30cm Premium pearl cotton provides support and comfort, and the inner core is non-cleanable. Protect the waist from stress, relieve back pain and reduce pressure on the cervical spine User-friendly design helps maintain cervical spine curvature and promotes correct sitting posture. Ideal for back support in bed, office chair, sofa, etc. A gift for yourself, a friend or family. There are more styles in the store, welcome to buy. Pillow type: pillow Material: velvet Filling: 100% polyester fiber Size: 40X20X30cm Use: sofas, bedding, gifts , hotels, reading, cars, etc. The package includes: 1 * bed back support pillow It supports you when you sit or lie down and can relieve painful tension or back problems alleviate. This comfortable back pillow is your best friend for eating, drinking and watching TV. Emphasize: Durable beautiful structure, detachable triangular pillowcase for easy cleaning. 2 side pockets for easy storage of small items such as pens, mobile phones, TV remote controls, etc. Metal zipper design, easy to disassemble. Can be used for sofas, bedsides, office chairs, etc. A good gift for yourself, your friends or your family. Tips: Due to the different screen resolutions, there are subtle nuances, I hope to understand Manual measurement of the size, the error is 1cm -3cm is normal, I hope to understand