The sizes of the components of the mini embroidery hoops are as follows: Back plate: 38 mm x 27 mm; Middle plate: 34 mm x 23 mm; Ring frame: Inner diameter 34 mm x 23 mm, outer diameter 38 mm x 27 mm. These are suitable for making lovely handicrafts The mini embroidery hoop is made of natural wood and matched with hard metal clasps. The material has a smooth surface, which is safe and reliable, and has a long service life Simply stick smaller wooden pieces onto the embroidery fabric, cut out the embroidery fabric shape according to the wooden pieces, and then stick larger wooden pieces onto the back of the embroidery frame. Finally, add the keychain and install screws and nuts, while the rest can be freely created Our mini embroidery hoops are very suitable as accessories for mini embroidery artworks, painting artworks, jewelry making sets, and other decorative items The ideal gift choice for DIY handicraft enthusiasts and embroidery enthusiasts, and also suitable as a group activity Mini Wooden Embroidery Hoop Specification: Material: Wood The mini embroidery hoop is made of quality wood and matched with hard metal clasps. The material has a smooth surface, which is safe and reliable, and has a long service life. Our mini embroidery hoops are very suitable as accessories for embroidery artworks, painting artworks, jewelry making sets, and other decorative items. The ideal gift choice for DIY handicraft enthusiasts and embroidery enthusiasts, and also suitable as a group activity. Color: As Shown Package Contents: 12*pcs wooden embroidery hoops