Robert Kaufman Essex Linen - Natural - Felt Backed Fabric £3.40 Out of stock. Fabric Felt sheets are linen blend fused in house with our Nationals Nonwoven Felt made up of 20-35% Merino Wool and Rayon making them non-fray when cut by hand or by die cut machine. Sold in sheets of 30cm x 20cm If you order 2 sheets they will be sent as one 30cm x 40cm sheet when possible. 3 sheets will be posted as a 30cm x 40cm sheet and a 30cm x 20cm, 4 sheets 2 x 30cm x 40cm. All measurements are approximates. Please note all fabric is cut by hand and although I'd like to say we are as good as machines there may be a +-10mm difference.