{"product_id":"poolin-prewound-size-a-bobbins-144pc-108-white-36-black-type-a-15j-sa156-clear-sided-75d-thread","title":"Poolin prewound Size A bobbins 144pc (108 white + 36 black) – Type A\/15J SA156, clear-sided, 75D thread","description":"\u003cp\u003e\u003cstrong\u003ePoolin Size A (Class 15 \/ SA156) prewound bobbins are a ready-to-use bulk pack of 144 clear-sided bobbins (108 white, 36 black) designed to fit most household single-needle sewing and embroidery machines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you sew or embroider frequently, having consistent, prewound bobbins at hand saves time and prevents interruptions during projects. These bobbins match Type A \/ 15J \/ SA156 dimensions (0.79\" × 0.47\") and are intended for typical home single-needle machines. The double-sided clear plastic housing helps you monitor remaining thread and protects the bobbin against oil and moisture, while 75D thread reduces bulk and delivers smoother stitch backs.\u003c\/p\u003e\n\n\u003ch3\u003eWill these bobbins fit my home sewing or embroidery machine?\u003c\/h3\u003e\n\u003cp\u003eThese bobbins are manufactured to Size A \/ Class 15 \/ SA156 standards. If your machine uses Type A or 15J bobbins, these should fit. Always compare the bobbin dimensions to your machine’s manual to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard dimensions: 0.79\" × 0.47\" (Size A).\u003c\/li\u003e\n  \u003cli\u003eCompatible label names: Type A, 15J, SA156, Class 15.\u003c\/li\u003e\n  \u003cli\u003eSuitable for most household single-needle machines and many compact embroidery units.\u003c\/li\u003e\n  \u003cli\u003eCheck your machine manual or an existing bobbin for a direct match.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these prewound bobbins improve stitching and workflow?\u003c\/h3\u003e\n\u003cp\u003ePrewound bobbins eliminate the need to stop and wind thread mid-project, reducing downtime and variability. The 75D bobbin thread is designed to minimize bulk in the bobbin case for smoother tension and cleaner stitch backs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReady-to-use bobbins save time and keep your momentum during long sewing sessions.\u003c\/li\u003e\n  \u003cli\u003e75D thread reduces thread buildup and stabilises tension across stitches.\u003c\/li\u003e\n  \u003cli\u003eClear plastic sides make it easy to see when a bobbin is nearly empty, preventing surprises.\u003c\/li\u003e\n  \u003cli\u003eDurable plastic resists oil and moisture to support consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy buy this bulk pack instead of single bobbins or winding your own?\u003c\/h3\u003e\n\u003cp\u003eA 144-piece box is cost-effective for regular sewers, small studios, and home-based sewing businesses. It reduces the hassle of winding and supplies a reliable, uniform thread amount for repeatable results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 108 white and 36 black prewound bobbins for common colour needs.\u003c\/li\u003e\n  \u003cli\u003eBulk quantity minimizes frequent reorders and supports continuous production.\u003c\/li\u003e\n  \u003cli\u003eUniform prewound tension ensures consistent stitching from one bobbin to the next.\u003c\/li\u003e\n  \u003cli\u003eOEKO-TEX certified components provide added assurance for safe, long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I store and maintain these bobbins for best results?\u003c\/h3\u003e\n\u003cp\u003eStore bobbins in a cool, dry place away from direct sunlight to preserve thread quality and prevent discoloration. The clear plastic housing already provides basic protection, but good storage habits extend longevity and maintain stitch consistency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep in original box or a sealed container to limit dust and humidity exposure.\u003c\/li\u003e\n  \u003cli\u003eAvoid placing bobbins directly over an oily or lint-prone work area.\u003c\/li\u003e\n  \u003cli\u003eRotate stock so older bobbins are used first to ensure fresh thread supply.\u003c\/li\u003e\n  \u003cli\u003eInspect bobbins for lint or loose threads before loading into the machine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Poolin Size A prewound bobbins are ideal for hobby sewers, frequent embroiderers, small sewing businesses, and anyone who prefers consistent, ready-to-use bobbins that reduce downtime. If your machine accepts Size A \/ Class 15 \/ SA156 bobbins and you value efficiency, uniform stitches, and clear visual monitoring of remaining thread, this bulk pack is a practical addition to your sewing supplies.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these bobbins compatible with my Singer or Brother home machine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your machine uses Size A\/15J\/SA156 (0.79\"×0.47\") bobbins, they should fit. Check your manual or an existing bobbin for matching dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these prewound bobbins require special handling?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special handling is required; store in a cool, dry place. Inspect for lint before loading to keep stitches clean.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Poolin","offers":[{"title":"Default Title","offer_id":55294722965841,"sku":"B0GTLWF8NH","price":41.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/poolin-front-view-box.jpg?v=1791934682","url":"https:\/\/craftiche.co.uk\/products\/poolin-prewound-size-a-bobbins-144pc-108-white-36-black-type-a-15j-sa156-clear-sided-75d-thread","provider":"Craftiche","version":"1.0","type":"link"}