Item Type: Embroidery Hoops Size: 12 x 15cm: Long Inner Diameter: Approx. 12cm / 4.7in Long Outer Diameter: Approx. 15cm / 5.9in Wide Inner Diameter: Approx. 9.3cm / 3.7in Wide Outer Diameter: Approx. 12.2cm / 4.8in 15 x 19cm: Long Inner Diameter: Approx. 16.2cm / 6.4in Long Outer Diameter: Approx. 19cm / 7.5in Wide Inner Diameter: Approx. 12.4cm / 4.9in Wide Outer Diameter: Approx. 15.1cm / 5.9in 18 x 25cm: Long Inner Diameter: Approx. 20.3cm / 8in Long Outer Diameter: Approx. 23.2cm / 9.1in Wide Inner Diameter: Approx. 15cm / 5.9in Wide Outer Diameter: Approx. 17.8cm / 7in Package List 1 x Embroidery Hoop(12x15cm) 2 x Embroidery Hoop(15x19cm) 2 x Embroidery Hoop(18x25cm) 1Durable mounting seat and fixture with long service life, can be used for a long time 2The clamp can fix your work tightly without sewing the work on frame, which will not damage your handicrafts, a perfect and wonderful choice for your crossstitches 3Embroidery oval circle is simple to assemble and disassemble, easy for you to use and store 4The product is a perfect cross& 8209;stitch tool, very suitable for your sewing and craft needs 5Universal clip frame for embroidery, stitching, cross& 8209;stitch, needle point, silk painting