Bedding Throw Pillows Insert, 18 x18 Inches White Square Lightweight Soft Decorative Pillow Inserts Cushion Bed and Couch Pillows Insert for Sofa Specification: Item Name: White Soft Comfortable Pillow Material: Terylene cotton Color: White Type: type 1/2/3/4/5/6/7/8 Item size/Weight: 21.7x21.7inch/55*55CM (for 18-20inch/46-51cm Pillow Cover) 19.7x19.7inch/50*50CM (for 16.5-18inch/42-46cm Pillow Cover) 17.7x17.7inch/45*45CM (for 14-16.5inch/36-42cm Pillow Cover) 15.7x15.7inch/40*40CM (for 13-14inch/33-36cm Pillow Cover) Type 1/5: 40cmx40cm/15.8inchx15.8inch(L x W) (suitable for 33-36cm/13.0inch-14.2inch cushion cover), Weight: 250g/8.8oz Type 2/6: 45cmx45cm/17.7inchx17.7inch(L x W) (suitable for 36-42cm/14.2inch-16.5inch cushion cover), Weight: 350g/12.4oz Type 3/7: 50cmx50cm/19.7inchx19.7inch(L x W) (suitable for 42-46cm/16.5inch-18.1inch cushion cover), Weight: 450g/15.9oz Type 4/7: 55cmx55cm/21.7inchx21.7inch(L x W) (suitable for 46-51cm/18.1inch-20.1inch cushion cover), Weight: 600g/21.2oz Package includes: 1 x Pillow