1. consider the classical mechanism of Arabia, silk (300D), the price is proper. 2. recommend to buy dark coffee color blanket color, dark blue gem 3. recommended blanket size: 1.6mx2.3m. Two kinds of pressure swing sofa blanket edge (it can save money, so family is recommended to use it) 2. blanket over the entire sofa (recommended reference size equals to the hall carpet 2mx3m) commonly known as the three: Silk (known as Gao Fangsi): Filaments (ratio of hair): 1300D silk feels comfortable, non slip hand materials, it's more expensive than acrylic about 40 - 60%.