A 650ml vacuum insulated stainless steel bottle that is built for the great outdoors or the urban jungle. It will keep your drinks cold for 24 hours or hot for 12 hours.- 100% leak proof- Tough and reinforced construction- Wide compact form makes it more stable on rough surfaces- Ultra-strong and mould/mildew-resistant paracord carry loop- Completely plastic-free body and lid- With a diameter of 8.6cm, it fits in most backpack side pockets