Gardeco Chim Logs are best fuel for chimeneas and outdoor fires, since they are fast lighting, produce little smoke and burn well. Made form recycled sawdust which is environmentally friendly, they are compressed inot small logs about 10cm diamter and between 5 and 15cm or so long. Chim Logs can be used in any outdoor fires and can be used for barbecuing. Can be used in any type of outdoor fire. Made in the UK. Chim Logs may be used in any outdoor fire vessel, but also in wood burning stoves or open fires inside the house.