This Bobbin Holder box has slots available to store 32 bobbins and has handles so you can carry it with you to your sewing table! The box measures 5-1/2" x 4-1/8" x 5/8" and is compatible with both the 12x12 and 8-1/2x12 mats. You can find additional images and a full tutorial on my blog on|after 09/11/13: http://jamielanedesigns.blogspot.com/2013/09/bobbin-holder-for-32-bobbins.html
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