Mylar bags - 5 gallon size

[Flannelfoot]

Hi guys
Do you know the cheapest place in the UK to buy mylar bags? I'm after a big size, 5 gallons or 20"x30".

Lots available on Aliexpress, for example, but I have no idea about their quality/food safety.

Does anyone have any recommendations? Cheers

 

[British Red]

These guys are very good and cheap shipping

http://shop.conserva.de/en/11-aluminium-laminated-bags