100% Cotton SLEEP MATTERS – YOU MATTER: Get the sleep you need while being gently hugged by your Cooshi weighted blanket. Designed to lightly conform to your body to help you sleep through the night and awake rested and refreshed. QUEEN SIZED WEIGHTED BLANKET: Our 15 lb weighted blankets are ideal for people weighing less than 160 lbs. Designed to lie flat on a queen bed, our heavy blanket will also work well on twin and full-sized beds. PREMIUM COTTON: We use the highest quality cotton for our weighted blankets. Tightly woven to insure no leaks our heavy blankets are amazingly breathable yet durable. The tight weave allows for our blankets to be machine washed, though hand washing or dry cleaning is recommended. THOUGHTFUL LONG-LASTING CRAFTSMANSHIP: We use premium tightly woven cotton, micro sized glass beads and the finest material to insure your weighted blanket will last. While most blankets will have 8 or less ties, we use a 12-tie system for the duvet cover (sold separately) to insure less stress on the blanket and a tighter fit. Small details matter. 100% SATISFACTION GUARANTEE: We love our customers and pride ourselves in taking care of you should a concern arise. Please note that these heavy blankets will take about a day to expand to their listed size. When using your weighted blanket it can take up to a week to get use to the new weight.