I checked the sizes just now... "B" comes in flattened and regular shapes. Looks to me like Bill might not be able to get many more than 10 into either one, *maybe* 30 split between two boxes.
I would think that it would only take 1 box for 10, though. When I order, I'll tell him to let me know if he thinks I'll have extra space! (I don't want a second box with just 1 bulb in it... and somehow I'm quite sure I could find some additional bulbs, even regular size ones, to fill it up!)
B1is 12" x 10 1/4" x 5"
B2 is 14 3/8" x 15 7/8" x 2 7/8" (inside dimensions)
To calculate your regional shipping cost, use the zone tool here and put "338" for the first 3 numbers of the origin zip code.
https://postcalc.usps.com/Zone...
The new Jan 2016 regional rate chart is here:
http://shippingeasy.com/usps-p... (why it's not easy to find on the USPS site is beyond me)
Looks like the actual shipping cost from Bill to me for a B1 box is $10.66, and if he adds a handling charge that's fine with me (especially with letting us order 1 of this and 3 of that... and have you noticed that his bulbs are always packaged nicely in paper bags with neatly folded tops?)
From Bill in FL to me in MD is 5 zones, so the actual shipping cost for a B1 box should be