PRICE OF 6 PCS SET Product size L-20 W-20 H-2cm Before being able to certify their benefits, before advertising them with a pictogram on their packaging, Luminarc products undergo all sorts of excessive treatment : all the tableware goes through the 'quality qualification laboratory' where all kinds of control and testing instruments designed to replicate daily use are available. Tempered glass Safe for food use Dishwasher safe Microwave safe