The best replacement for lid is undercover.

The best alternatives to lid are rated as following:
★★★★★  undercover
★★★★  cap
★★  no lid
★  daytona skull cap
★  monolid
★  skull cap
★  carbon fiber
★  direct flo lid
  fipk
  regular lid
  canopy
  under cover
  tonneau
  lc-70le732u edge lid

Your alternative for lid is not listed? Suggest!
Speaking about lid, one probably shouldn't forget about yid.

Other search terms related to lid and their ratings are:
★★★★★ yid
★★★★ pump for mason jar
★ strainer
You have in mind a companion for lid and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of lid in all years. Click on graph for more.
lid
undercover
cap