Roasting and Baking on your Weber Q have never been so easy. The latest Weber Q convection trays transform your Weber Q from barbecue mode to oven mode in seconds. They are engineered with vents that circulate the heat above, below and perfectly all around the food. No more fiddling with alfoil, no more fuss, just great food. Just sit your roasting trivet inside a convection tray, pop the food in and close the lid. Your Weber Q is now a convection oven.