Dropped this into my water bottle with some loose chamomile before a hike and it steeped perfectly without any leaves escaping. The ball is easy to open and rinse out afterward, which matters when you're using it away from a kitchen sink.
Abigail★★★★★
Tossed a spoonful of chamomile in this and dropped it in my water bottle before a hike — no stray leaves floating around, which is exactly what I wanted. The screw-together halves stay put, and cleanup is just a quick rinse.
Andrew Q.★★★★★
The little ball fits right into my thermos, so I can brew chamomile at my desk without dragging a whole teapot along. It's easy to load and the herbal leaves stay put instead of floating around in my drink.