03lab:

By a "fish bag" I mean the bags supplied by pet stores to carry home your new pet goldfish. You can usually get all you need just by asking them nicely.

I researched suppliers and wound up with 1,000 bags that are 5-1/4 x 11-1/2 inches (13.5 x 29 cm) and a pleasing thickness. They hold 1 L and are shaped about like a 1 L pop bottle when full -- helps me gauge volumes etc.

They have no zipper lock, so you'd have to tie them or fold and clip them to prevent spillage.

If you send a SASE I'll send you ten of them just for the asking.

(Offer applies to all... Mail me at dchinell at msn dot com to get the address.)

Bear