Philip Friedman\Studio D

1. Colgate Wisp
A tossable (recyclable!) brush preloaded with a mouth freshener: perfect for post-lunch ($3 for four, walmart.com)

2. Tide To Go pen
Triumph over food-related mishaps with this Good Housekeeping Seal holder ($3, walmart.com)

3. Multitool
Keep a lifesaver like this one stashed in your satchel: tweezers, scissors, file, screwdriver, and more (leatherman.com for stores)

4. Compact tape measure
The only way to be sure that a lamp will fit your table or that those pants will fit you (about $3, drugstores)

5. Key-chain flashlight
Find a lock at night with help from the Solitaire — it weighs under an ounce (about $6; maglite.com for stores)

6. WD-40 no-mess pen
Use it to unstick creaky locks, gears, or doors; removes gunk like gum, too (about $5 for two, amazon.com)

7. Mini lint roller
Rid your look of sweater fuzz or pet fur fast with a tiny take on the closet staple (about $2; bouncefresh.com for stores)

8. Hand sanitizer
Smells fresh, looks great, and cleans hands if you can't get to a sink ($4.55 for two, soap.com)

9. Wardrobe tape
Close a gaping blouse, repair a fallen hem, or put a bra strap in its place ($9, hollywoodfashionsecrets.com)

10. USB drive
Back up important files, especially when Internet access may be spotty on your travels ($10, staples.com)