And an excellent tape that is bright white, very stretchy and sticks
very well is sold by Mike Bowlus.
"BOWLUS MAXI GAP SEAL TAPE. Bright white, 400%+ stretch, easy clean up,
1 in. x 36 yd. - 6/$45.00 ($7.50/roll) plus shipping."

Visit http://www.ssa.org, click on "soaring store" / classifieds, then
search for Bowlus for contact info.

-Tom