Removable bottom for easy clean-up: Remove the bottom and rinse through to swiftly get every last tea leaf out Smooth micro-etched stainless steel surface eliminates residue build-up Cover keeps tea hot during steeping then reverses to use as a drip tray For cups, mugs and teapots fits mugs and teapot openings from 2.5 to 3.75 18/10 stainless steel Dishwasher safe