For a kick of colour to delight your everyday drinking, opt for the Barel Retro Melamine Tumbler, Violet, 275ml (Set of 6) from Barel Designs. Barel Designs Retro Melamine Tumbler , (Set of 6) Size 275ml in Purple Barel Designs Retro Melamine Tumbler , (Set of 6) Size 275ml in Purple