Abstract: A portable grill can include a first structural panel, a second structural panel, and a third structural panel. The first structural panel can include a first body, a first side slot sized to receive a second side slot, and a first opening sized to receive a first protrusion. The second structural panel can include a second body, the second side slot that is sized to receive the first side slot, a second opening sized to receive a second protrusion, and a set of horizontal slots positioned vertically spaced apart and sized to receive at least one grill surface. The third structural panel can include the first protrusion that is sized to be positioned in the first opening. The third structural panel can additionally include the second protrusion that is sized to be positioned in the second opening.

Abstract: A converter base for use in connection with a tumbler, such as an insulated tumbler. The converter base has internal features that allow the base to convert the tumbler into a holder/cooler for differently-sized beverages. The converter base may also be provided with a built-in cooling feature.

Abstract: A portable grill can include a first structural panel, a second structural panel, and a third structural panel. The first structural panel can include a first body, a first side slot sized to receive a second side slot, and a first opening sized to receive a first protrusion. The second structural panel can include a second body, the second side slot that is sized to receive the first side slot, a second opening sized to receive a second protrusion, and a set of horizontal slots positioned vertically spaced apart and sized to receive at least one grill surface. The third structural panel can include the first protrusion that is sized to be positioned in the first opening. The third structural panel can additionally include the second protrusion that is sized to be positioned in the second opening.