"Magic sleeping: a weighted blanket moulds to your body like a warm hug, provides you with a comfortable and warm sleeping atmosphere, make sure that every morning makes you full of energy and feeling relaxed. Material fabric: the material of weighted blanket is microfibre polyester, which is stronger, more elastic and comfortable. The heavy blanket contains environmentally friendly glass beads, which are breathable and tasteless. UNIQUE CRAFTSMANSHIP: When sewing our weighted blankets, we use double-wrapped threads to make the sewing around the heavy blanket firmer. Needle pitch 1 inch/9 stitches (including quilting stitch length, to ensure that the glass beads inside the heavy blanket do not run away move). One loop on each of the four corners and one loop on each of the four sides (1 cm wide x 6 cm long, fixed by turning back stitch), a total of 8 loops, easy to install the duvet cover. PROCUREMENT GUIDE: Heavy blankets are available in 48"" x72"" twin size and 60"" x80"" queen size, with 12lbs, 15lbs & 20lbs weighted blankets respectively. According to your needs, give you a variety of options."