The Sistema drinks bottle with a twist top mechanism for drinking and sealing the bottle. Twist the collar and the drinking hole pops up and unseals in a single simple motion. Simply twist the other way to seal again. Dishwasher Safe (Top rack only) Fridge and Freezer Safe Capacity: 330ml/11oz/1.4cup Material: Low density polyethylene Not intended for hot liquids  Available in your choice of colour, either purple, pink, blue or green. Only one supplied Dimensions: 6.7cm Diameter x 16cm H All screens vary in colour reproduction and whilst every effort has been made to display the colour as accurately as possible it is for guidance only.