The 700 ml / 24 oz shot caller is a single wall, impact resistant bottle made from bpa-free eastman tritantm copolyester. It features a translucent matte rubberized finish with a screw-on spill resistant flip top lid. Its fitted with a one-hand push-button mechanism with an integrated lock, that when engaged, reveals a round drinking nozzle. Attached to the shot caller is a webbing handle for ease of carrying. Its wide mouth design makes it ice cube friendly and easy to clean.