3 empty coffee jars with red screw top lids, 69mm diameter, 150mm height, 400ml capacity.
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Each jar weighs 229g and previously held 100g of coffee powder. They could be used to hold tea bags, coffee and sugar, storage of  small items such as coins, screws or used to make candles. A coin sized slot could be cut in the plastic lid to turn them into money boxes.

Three jars weigh 685g so that leaves only 315g for packaging, maybe enough to be an Evri 1kg parcel £3.10. Otherwise it will be a 2kg Royal Mail parcel with a 160mm height limit £3.69.

Ebay AI description
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This set of three empty coffee jars with screw top lids is perfect for storage candles or other small items. The jars have a capacity of 400ml each and a diameter of 69mm. The lids are red in colour and clear glass. The jars are made of glass and plastic lids, and are not made of wood. The coffee jars are mass produced and functional, with a production style of probably molten glass poured into a mould. They were labelled as Msavers and have a model number of 12345. The jars are lightweight, weighing 685g (3 jars without packaging). They can be personalised with a label, paint, or marker pen. The coffee jars are a part of the mass produced coffee jar line, and are suitable for children, teenagers, boys, and girls.