A good polycotton lining suitable for all blind styles.
A more luxurious 100% cotton lining. This lining will make blinds hang better.
As the name suggests, a useful lining if you want a dark room when the the blinds are down. Often used in bedrooms. Can also help with draughts.
This lining is very effective at draughty windows, making a room feel warmer.
Lining doesn't just come in a cream colour. There are many different options. A coloured lining can be striking in a contrast colour.
In addition to the above lining you may choose to also interline your blinds. This adds a fullness and plushness to the blinds and has thermal properties.