Here are the things you will need:
- Polystyrene plastic (#6 plastic or PS )* -it is the clear plastic often used in takeout containers (not the foam).
- Metal hoop to attach tag to collar
- Parchment paper
- Coloured markers and a black fine tip marker
- Scissors
- Hole punch
- Ruler
- Toaster oven and oven mitts
Source: http://www.instructables.com/id/Easy-Pet-ID-Tags/?ALLSTEPS
