Poilsport Thermal T500 bidon T500 is the newest thermo bidon in the Polisport collection. The bidon keeps your drink warm or cold for up to four hours. But that's not all, the T500 can also be used as a 'normal' bidon by removing the thermo interior. This increases the content of the bidon from 500 ml to 650 ml. The T500 bidon is made of food-safe polypropylene and is BPA-free. Specifications: Color: black/gray Gender: unisex Material: polypropylene Content: 500-650 ml Weight: 115 grams Thermal capacity: 4 hours Height: 22.3 cm Diameter: 7.4 cm