The Reusable 3&5Gallon Water Jug Caps
May be u have tired of :
1.Cheap quality, It broke at first use after a couple of days. Is very thin and not like the caps used in new bottles.
2:It is difficult to take off and also will tearing it , can not use it as repeat one.
3:when u keep it on storage rack for the water jugs and despite being tightly capped, the water slowly leaked out.
Now , we completed it from air-tight seal design, thickness and hardness to sloved all your Headache.
If you are looking for a simple and sealed/reusable jug cap to keep your jugs covered no spill while storing/shipping them upright/sideways, then this is an ok option.