Cups are required made from stainless steel. Thermal insulation. In three sizes. Sizes are approximate and for guidelines only: Cups Approximate dimensions for guidelines only: 14.5 x 9.5 – 270ML 13 x 8.5cm – 450ML 11 x 8.5 cm – 300ML 15 x 8.5 cm – 500ML With silicone lid Made from bamboo Thermal insulation Glass/ stainless steel re-usable drinkware for water/fluids containers - Capacity - 500/600 ML Customizable design & company logo Product must have no BPA or plastic must be ethically sourced and biodegradable Show More