According to Nice classification heading for class 20 states Furniture, mirrors, picture frames; Unworked or semi-worked bone, horn, whalebone or mother-of-pearl; Shells; Meerschaum; Yellow amber; Containers, not of metal, for storage or transport are include in Class 20. The heading gives you a brief broad overview about what exactly is including in a particular class.
This Class includes, in particular: – metal furniture and furniture for camping; – bedding (for example, mattresses, spring mattresses, pillows); – looking glasses and furnishing or toilet mirrors; – registration number plates not of metal; – letter boxes not of metal or masonry. This Class does not include, in particular: – certain special types of mirrors, classified according to their function or purpose (consult the Alphabetical List of Goods); – special furniture for laboratories (Cl. 9); – special furniture for medical use (Cl. 10); – bedding linen (Cl. 24); – eiderdowns (Cl. 24).