These photos are all single wall stainless steel bottles.
350ml teenyTANKA (11)
600ml miniTANKA (31)
800ml sportsTANKA (59)
1000ml trekkaTANKA (9)
1200ml supaTANKA (9)
800ml KiwiTANKA (5)
2000ml megaTANKA (6)
800ml Mangopare design (24)
800ml New Zealand Fern (7)
800ml Spirit of Adventure