Swift Lite Charcoal Briquettes come in a foil-wrapped package of ten round briquettes.  The disks are 1.25"  These are great for burning powdered, loose or resin incense. The briquettes have a cupped upper bowl to hold the incense

Caution: This product lights instantly.  Do not hold the tablet in your hands when lighting. After lighting do not handle, it will burn.  If you must extinguish before it is completely burned, place in a container of cold water