Marquis By Waterford Maxwell Tumbler, Clear, 11 ounces, Pack of 4

dishwasher safe?

Are these 24% lead crystal?

What capacity do those hold? The product title says 11oz but the description and one of the questions say 6oz. Which is it?

Ow big is each glass? the dimensions listed cannot be for the glasses. 8.8 cm? bbb has this glass at 3.75 tall, how can it be 5.3 tall?