Each one measurement :Up OD*Bottom OD*High(2.91*1.5*0.98Inch) ; Total 25 Pieces high quality aluminum and anodizing
4 Layer Hard anodized Aluminum heats up quickly and is more scratch resistant and durable
It is reusable,very sturdy
They wash off easily,especially if you let them soak for a few minutes
Perfect for steaming and baking desserts snack