Magnetic Hoop 3.9"x12.8" | 100x320mm for RRR Embroidery Machines Hoop Length:495mm / 19.5" Avoid rubbing with fingers or

Avoid rubbing with fingers or cloth to prevent injury or scratching

Puckering usually results from using an unsuitable stabilizer

This Sewtalent magnetic hoop size is excellent for floating small pieces

For safety and longevity

Magnetic Hoop 3.9"x12.8" | 100x320mm for RRR Embroidery Machines Hoop Length:495mm / 19.5" Avoid rubbing with fingers or3. 9x12. 8(100x320mm) refers to the inner hoop dimension. The actual sewing field is about 3. 1x12(80x300mm). Product Features Super durable and strong: this embroidery magnetic hoop is tested for up to 500,000 times of repeated use under strict destructive testing to ensure long lasting performance. Ideal for all kinds of fabric hooping, this magnetic hoop embroidery accessory easily clamps heavy, thin, fragile, stretchy, and elastic fabrics.