there is quite a bit of wash at slower speeds but it will clean up nicely with a little more speed. finally, remember to take a photo of each guest with the guest of honor and their bears. the second number is the size is the overall width of the wheel or rim. yeah hard one for me too. he is very patient and approachable. i almost leaped for joy thinking she was demanding on bed. our staff can arrive at the scheduled time with the required resources, and will work with you throughout the process. 