Product Parameters
Reusable silicone bottle cap in blue color. Designed for 55mm bottle openings and suitable for 5-gallon water bottles. Approximate size is 5.5 x 5.5 x 2 cm. The title indicates a four-piece set, and only the caps are included.

Core Features
This cap features a leak-proof design that helps prevent drips or overflow when the bottle is placed on its side. The silicone material creates a tight seal to keep stored drinking water clean and fresh. An upgraded structure makes installation and removal easy, while the hanging loop facilitates grip. The central button design helps keep the cap securely in place.

Suitable Scenarios
Suitable for standard water containers and dispensers with a 55mm opening, including 5-gallon water bottles. It can also be used as needed with bottles that use screw caps. Practical for home and office environments, including bottles placed in elevated positions or used with water pumps.

Product Summary
A reusable silicone cap set with a simple blue design, leak-proof seal, and easy handling. Made for 55mm bottle openings, it is suitable for daily water storage and dispensing.