BPA Free & Non Toxic. Capacity: 400 ml. Material: Inside Steel, Outside Steel. Spill Proof. Suction Technology. Temperature Retention for up-to 10-12 hours. Double Wall Vacuum Insulation. This Cloud Suction Bottle has a sleek & stylish design which gives it a premium look. The infuser in the bottle gives you full flexibility to use the bottle in a few different ways.