Acrylic Stamp Block - 1 x 4 and .75 x 4 Sale! from $3.75 Qty. Sold Out Out Of Stock! We will notify you when this product becomes available. Available on: This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. You can use these blocks to stamp your clear stamps! This set includes two acrylic blocks measuring 1 x 4 inches and .75 x 4 inches. Tweet Previous Next