Amanaote Brown Wooden Button Round 20mm Diameter with 4 Holes for Craft Sewing DIY Pack of 50 Button Diameter:20 mm;Button Thickness:4.8 mm. Hole Diameter:1.5 mm.Measure Conversion:1mm=0.0393 inch 1 inch=25.4 mm Pls see the second size picture before you order it. Useage: Charms Sewing Buttons Fit DIY handcraft Findings or handmade sewing. A great selection for Sewing,Scrapbooking,Embelishments,Crafts, Jewellery making, shabby chic, Knitting