Yes. The standard straw brush (sold individually and with the Bendie Straws) is suitable to use with your Bendie Straws, Keepie Straw Set, Sippie Lid or Sippie Cup Set. The standard straw brush is 0.8cm diameter x 20cm long.
The bubble tea straw brush (sold individually and with the Bubble Tea Straws) is suitable to use with Bubble Tea Straws and the Bubble Tea Straw & Keepie. The bubble tea straw brush is 1.2cm diameter x 25cm long.