100% Cotton The Weighted Inner Layer Can Be Used Along Or Used With a Duvet for Easy Cleaning. Breathable Cotton Duvets Are Available in Vtom. The Vtom weighted blanket offers great all-natural sleep help for adults and kids by offering the gentle sensation of being held to encourage deep, healthy, restful sleep Each compartment has a glass bead sewn into place to prevent movement and noise while you’re resting & provide soft, evenly-distributed weight that gently conforms to your body The structure of Vtom weighted blanket: 1. 2 layers premium breathable fabric. 2. Two layers microfiber to avoid leakage. 3. Filled with Hypo-allergenic, non-toxic, odorless glass beads. 4. Non-glue polyester padding to avoid move and noise of the glass beads. EXCELLENT CUSTOMER SERVICE: We provide 7*24 hours of customer service. If you have any questions or need additional help, please don??t hesitate to contact us so that we can solve the problem within a short time. We would like to refund the cost to you if your problem couldn’t be solved.