[You can hold any bottle! ]
A bottle cover with a loop strap that can be resized with Velcro.
It can be fixed in 4 places and can be used with most water bottles on the market as it can be used from 5 cm in diameter. Can be used for rectangular and up to 2 liter PET bottles!
The top loop strap can be removed for smaller size bottles.
Shoulder length: longest 970 x shortest 640mm
Holder length: longest 360 x shortest 270mm
Correspondence bottle size: 45-105mm in diameter