The project has also received Scottish government support, fuelling hopes it can spread much further.

Environment Secretary Roseanna Cunningham said: "This is a great campaign and I encourage everyone to make the switch to reusable bottles whenever possible.

"We all have a role to play in changing Scotland's throwaway culture and we all stand to benefit - by protecting our environment and saving money too.

"My constituency office in Perth is already part of the Refill scheme and I would encourage organisations and businesses across Scotland to sign up too.
From BBC news