I buy various bottle brush from place like target , and find they all to be pretty useless . I find the Munchkin brand to be extremely disappointing - it be design to look like the Dr. Brown 's bottle brush , but it just be terrible . this one be very effective and last longer than I expect -lrb- I have be use it now for more than 6 week , every day , wash all the baby stuff several time per day -rrb- . you can not lose with the Dr. Brown 's bottle brush .