How deep the well goes, nobody knows but you can find out with this Smoked Iridescent Deepwell 2-Hole Plastic Button. Featuring a deep well style smokey iridescent colored button with a light shimmer in the light and two holes for easy sewing for any project, this button measures 32L/20mm and has a gauge of 6.59mm. These buttons are best for dresses, blouses, shirts, lingerie, or add these buttons to coats, capes, and clutches, and so much more, the options are endless.