The Vellux Heavy Weight Weighted Throw delivers softness that’s as comforting as it is warm. Snuggle up in front of the TV or in bed with this throw that simulates a big, warm hug. Some customers have found that these throws can improve sleep and ease symptoms of anxiety, PTSD, and sensory processing disorder. For best results, this throw should weigh approximately 10% of your body weight to ensure a calm, relaxing effect. The cover unzips for easy removal and has a polyester and cotton box quilted insert filled with polystyrene pellets. Made out of cozy plush fleece, this throw is finished with poly satin piping on all sides and rounded edges. Cover: 100% Polyester. Insert: 65% Polyester and 35% Cotton. Machine Washable Cover