Key features: 100% impermeable keeps the drink warm for up to 12 hours and cold for up to 24 hours does not take on odours practical wide opening Flex Cap high-quality stainless steel refillable, environmentally friendly BPA and phthalate free Recommended use: Dishwasher safe . Not intended for use on the stove, in the microwave or in the freezer.  Composition: Stainless steel 18/8. BPA and phthalate-free. Model: Mouth Flex Cap Colour: Black Pattern: logo Specification: BPA-free, non-toxic material, approved for contact with food Material: stainless steel Dimensions: 23.8 × 7.3 cm Weight: 320 g