{"product_id":"efina-prewound-bobbin-size-b-silver","title":"Efina Prewound Bobbin Size B Silver","description":"Designed specifically for Bernina machines, our Efina™ Pre-Wound Bobbins offer superior stitch quality and convenience. Each bobbin is pre-filled with 200 yards (183 meters) of Efina™ 60wt cottonized polyester, a fine yet strong thread that ensures smooth, even tension for precise stitching. Contains 5 bobbins. Image for color only. Product will be 5 prewound bobbins in the color thread shown.","brand":"Wonderfil Threads","offers":[{"title":"Default Title","offer_id":52510644404504,"sku":"EFPB-106","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0167\/1869\/2406\/files\/f4bda9c61c2c5799aa6f4b6cf74cb38a.jpg?v=1786556711","url":"https:\/\/www.materialgirlsquilt.com\/products\/efina-prewound-bobbin-size-b-silver","provider":"Material Girls Quilt Boutique","version":"1.0","type":"link"}