Hay is a brand synonymous with playful homewares design, known for their vast range of clean, colourful products. These expertly designed interiors items are at once practical and filled with character, from coloured glass drinkware to clever storage solutions. Discover hay on trouva today. Sip cocktail straws by hay are reusable straws made in borosilicate glass for use with hot or cold drinks. The multicoloured straws come in a pack of six straws inclusive a cleaning brush. Features: colour: one each of clear, yellow, rose, orange, dark green, light green. material: borosilicate glass.