6-7 full bobbins will fit into a standard bobbin box compartment, depending on the skein size. 

Write on the smooth surface with a permanent pen and wipe clean with rubbing alcohol when you are ready to start the swatch over with a new color.

Use a 36" strand and a size 26 tapestry needle to complete the swatch section!

Made of acrylic. Measures roughly 4cm wide x 4cm tall x 3mm deep.