Each design has a unique role.
(1) High-density sewing technology, two-layer microfiber are added to prevent the loose of the thread and leakage of the beads.
(2) Smaller squares to distribute glass beads inside the blanket evenly.
(3) Two-layer 100% soft cotton fabric to keep you at the perfect temperature (avoid overly hot).
(4) Loops to secure the duvet cover.