Everest isolating flask with strap Everest Isolating flask with strap is double insulated bottle with a 1 liter capacity which is useful if you go somewhere on a trip. The bottle is inside and outside of stainless steel and BPA free production. On the Everest Isolating Flask is a handle to easily lift the bottle. The bottle also comes with a strap that you can attach to the bottle so you can carry it along. The bottle has a cap which can also be used as a cup. Everest Isolating flask can be printed with your own design or logo. You can print your design or logo in up to 4 colors. You can also engrave your logo. The bottle comes in silver.