It is important for me to keep in mind a good amount of my guests will be flying, so favors need to be airport friendly :) also, a lot of the grooms fellow brass players might find this useful!! 14 Favors for Your Fall Wedding via Brit + Co
Adorable Wedding Favor: Seed paper...Its paper that you can plant! Just make sure if your wedding takes place in the park that there arent rules about handling seeds! "Let the love grow!!" -repinned from California wedding minister
Small notebooks,from a bargain shop, with a sticker with your guest's name on them will make a useful favour, that they are sure to use, as well as doubling up as a place card. Simple and cost effective.
42 Wedding Favors Your Guests Will Actually Want. Image Shown = cookie buffet bar for a snack later on. ~ Could also do this with assorted candy in the colors of your wedding ;-) or make sure the treats are themed to your wedding, ours being FALL :-)!!