• High-quality material: Made of high-quality 304 stainless steel, with an excellent finish. It is safe, eco-friendly, non-toxic, and harmless. Sturdy, durable, rust-proof, antioxidant, and corrosion-resistant. Easy to store and clean. • Size: The bottomless coffee portafilter measures 14 cm in length, 8.3 cm in width, and 3 cm in height. The diameter of the coffee filter is 6.5 cm and its height is 2.5 cm. It filters coffee efficiently, being a professional extraction equipment. • Ergonomic design: The handle of the bottomless mobile filter is made of solid wood, it is smooth and does not hurt the hand. It is pleasant to the touch and stable in use. The 58 mm filter is detachable and offers a comfortable grip and stable operation during use. • Fine finish: Bottomless design that allows constant observation of the coffee column, flow, color, river column band, etc. It allows detecting errors and imperfections before extraction and better evaluating the uniformity of the extraction, resulting in a tastier and more consistent espresso. • Easy to clean: The filter has a detachable design, the texture is smooth and does not hurt the hand. Disassembly and assembly are simple and practical, easy to use and clean, with no dead spots.