This product uses high-quality borosilicate glass, resistant to temperature changes, very strong glass composition, surface is not easy to deteriorate or residual stains, easy to use, easy to clean. The mouth of the gargoyle is smooth, the water is flowing smoothly, and the water is concentrated without leakage. The use of an encrypted metal filter design enhances filtration and increases service life. Reinforce the metal coil, repeat the filter test, no deformation. PP plastic (polypropylene) combines toughness, rigidity, hardness, non-deformation, bright surface, low water absorption and moisture permeability, and does not contain BPA. Coffee is easy to operate in 5 minutes, simple 4 steps: 1- Add freshly ground coffee powder; 2- Pour water at 25 ° C and evenly pour on the ground coffee; 3- Cover the lid and wait for about 4 minutes; 4- Slowly press the pressure bar, be sure to slowly and evenly; specification: - Material: high quality heat resistant borosilicate glass, food grade 304 stainless steel - Capacity: 350ml~1500ml - Size: H: 18.5cm~23cm; Ø: 7cm~10cm - Friendly reminder: manual measurement, if there is an error of 1-2mm, it is a normal difference, please prevail in kind - High quality, CE certification. If you have any questions about our products, please feel free to contact us and we will be happy to assist you. Delivery content: 1 coffee pot ▲ Free customer service before and after sales. If you have any questions, please feel free to contact us by email. We will do our best to help you. If there are any problems with the product, we can replace it or refund it, we will be happy to help you.