Plastic Canvas - Circles Plastic Canvas - Circles Plastic Canvas - Circles (15 ratings) £0.25 Sizes: [Choose]3 inch4 1/2 inch (+£0.25) Quantity: at £0.25 each 24 in stock. Plastic canvas is ideal for children or crafters who find it difficult holding an embroidery frame etc. It is a clear, gridded stiff plastic mesh. Use wool to stitch your design and be creative. Use regular scissors to cut to shape and to cut off the small plastic hanger. Circles in two sizes: 3inch diameter or 4 1/2 inch diameter Manufactured by Darice.