【GOOD COMPATIBILITY]】Our electric glass washer has five brushes of diameters of 2.76 inches, which can help you clean different cups with diameters of 1.89-3.94 inches 【SERVICE:We attach great importance to our customers,shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours 【HIGH-QUALITY MATERIAL]】This electric glass washer is mainly made of 304 stainless steel, which is safe, and has strong prevention to rust, high temperature, and shock. 【HIGH EFFICIENCY】 An pure copper motor allows it to quietly remove tea stains, coffee stains, and lipstick marks faster, and it can wash up to 800 cups per hour (as reference) 【STURDY CONSTRUCTION]】The upgraded thickened support bar and heavy-duty base with prevent slip feet can improve the machine's stability and prevent it from toppling.