Slot-in corrugated cardboard padding

Handmade Fully Working Slot Machine and More Cool Inventions cardboard box with slot All kind of Rigid Cardboard Box Making Machines like Box V grove making machine, Corner cutting, Gluing Machine and Kappa Cutting Machine cardboard box with slot Raffle Ticket Box Donation Collection Ballot Box Reusable Sturdy thick Cardboard Box with Slot comment Suggestion Box With Removable Header 6H x 6W x 6D,

cardboard slot machine slot in both the front and back of your box The slot should be big enough for a milk cap disk to easily slide through •cutting mat 1 •corrugated cardboard