You are buying plastic bag for your craft idea.These clear poly bags are great for kids class goodie bags, jewelry, accessories and etc.*No Flap..This is not resealable bag. (You need to use tape or twist tie to close on top.)*Demension..1" 3/16X 9 13/16"(=30mm X 250mm)*Thickness..0.04mm=40 micron=1.6 mil=very thick..not the cheap kinds bagThank you for shopping.