There are 4 size of banner. The approx sizes are:
Small: 3ft x 1ft (900 x 300mm) for a small room in a house, or across a door.
Medium: 5ft x 1ft 9in (1500 x 550mm) the most popular size, suitable for most rooms , restaurants & pubs. restaurants & pubs.
Large: 7ft x 2ft 6in (2100 x 750mm) for larger venues, halls, marquees etc.
Extra Large: 10ft x 3ft (3000 x 870mm) for a really big event.
Poster sizes are:
A3 297 x 420mm
For indoor banners we recommend using poster pads, blutac or pins or you can select the eyelets for tying with string. Indoor banners are a lightweight polypropylene and are not heavy. Eyelets are not recommended for 3ft banners.
For outdoor banners use eyelets through which you can put string or cable ties to attach to a fence or a wall etc. Eyelets are 24mm across with a hole diameter of 11mm, they are brass in colour.