Reallnaive 10 Pcs 3 and 5 Gallon Jug Cap Reusable Replacement for Blue
Non Spill: fits for 3 and 5 gallon water bottle with 55mm - 60mm opening; The bottle cap is flexible and very tight, with a good seal, suitable for both upright and sideways storage; The screw cap bottle is only for upward storage, both can be used for water dispenser plastic bottles.