1. The weighted inner layer is made of bamboo Microfiber, ultra soft,smooth like baby skin.Our weighted blankets have two polyester Layers and two extra layer of durable & breathable cotton fabric between the bamboo material surface and the glass beads to maximize the durability of your weighted blanket and this way will insure no leaking beads risk. 2. This weighted blanket at room temperature of 68?H, the surface temperature of weighted blanket is 32?H,the cool experience could keep sleepers comfortable,best for summer.Cold to the touch bamboo fabric features high specific heat capacity which will keep you cool through the night. With the cooling feel of bamboo weighted blanket, you will fall asleep faster and stay asleep longer. 3. Each small pockets (6×6) The glass beads are evenly distributed in each small compartment. Six corners have buckles for fixing the quilt cover, making it easy to use various styles of quilt covers. 4. The weight you choose should be 7%-12% of your weight which will help you sleep better and faster.Please choose the blanket weight according to your body weight. 15 lbs blanket is suitable for 90-150 lbs individual, 20 lbs blanket is suitable for 150-200 lbs individual. Recommend 48”x72” for twin bed, 60”x80” for queen bed. 5. 100% CUSTOMERS SATISFACTION:When you receive this weighted blanket,if you have any problems just contact us first,we will help you solve any problems. We can provide 3 Years of free mending (not include shipping label) if unexpected damage happened to your blanket.