Size:Only 1 Size,please allow 0.5-1 inch differs due to manual measurement. (1 inch =2.54 cm) 
<br />Please compare the detailed sizes with yours before you buy!!! 
<br />
<br />Specifications (Stitch length):0.25mm/0.5mm/1.0mm/2.0mm Material:Food-grade silicone roller
<br />Main Color:1 Colors For Choice
<br />Style NO: S311
<br />
<br />Note: The color of the actual items may slightly vary from the above images due to different computer screen, thanks for your understanding.