Excellent stain removal! 100% Acrylic Uses Hamana Hobby Make Chunky yarn Diameter: Approximately 12cm Loop: Approximately 3cm Perfect for your acrylic scrub debut. This piece was made before I obtained my certification, so it uses basic stitches. However, by cleverly picking up stitches, it has the right thickness and gaps, making it exceptionally good at removing dirt and easy to use. I use this when I'm unsure when to replace them. Gingham Check 100% Acrylic Uses Hamana Hobby Make Chunky yarn Approximately 11 x 10cm Loop: Approximately 2cm This is a rib stitch with a woven pattern. This is a recommended knitting method by those who research and experiment with acrylic scrubbers. It's an easy-to-use size. It will be useful.