Our guide rule for Sticky Notes bookbinding will allow you to make a small note books out of a block of sticky notes easily and fast, it will fit approx. 100 sticky notes and could be refill as needed with no problem since the block sticks on the covers, all in a portable notebook, the rules will guide you to make a perfect fit and will let you decorate as you wish to make a perfect gift. MATERIAL The rules are 3D printed with food safe PLA (Polylactic acid) made from corn starch. SIZE There are 4 options: The 3x3 option will work on sticky notes of 3 x 3 in The 3x3.5 option will work on sticky notes of 3 x 3.5 in The 3x4 option will work on sticky notes of 3 x 4 in The 3x5 option will work on sticky notes 3x5 in All options will fit approx. 100 sticky notes. Note that the size indicated on the rule is just for the sticky notes, covers needed to make the notebook are actually 1/8" larger. CARE: Do not wash in the dishwasher. Do not soak the tool. Use cool or warm water. The tool will melt if exposed to heat. NOTE: Be careful with your PLA tools because they can get damaged if not stored properly. COLOR Color of the guide may be slightly different from the pictures. DESIGN Every design is sketched and then illustrated by the Crafty Shop by Sache Team. Don�t forget to follow our shop on Instagram to stay updated with new products : @craftyshopbysache.