Home › DCR Merchandise › Hydro Flask › Wide Mouth Flex Straw Cap for Hydro Flask Wide Mouth Flex Straw Cap for Hydro Flask$12.25 Fits all wide mouth bottles. 2 straws included. Wide Mouth Flex Straw Cap for Hydro Flask quantity Add to cart Related products Huntington Beach T-Shirt $25.00 Huntington Beach Hoodie $40.00 Dillanos Limited Raos Honduras Mug $12.00 12 oz Hydro Flask Coffee Mug $27.95