Bargain search results - DustProof Reusable Straw:

ETHEL Silicone Straw Covers for Stanley Cups, Dustproof, Reusable Straw Tip Covers (4PCS,0.4in)

$13.69 @ Amazon Australia

10mm Straw Covers: compatible with Stanley 40 OZ tumbler straw and most straws in diameter 0.4 inch(10mm).The perfect gift for friends and family. Food Grade Material: Made of silicone, these silicone straw co... show more