This is a set of 2 water dispenser valves, adoption of premium PE material, safe, odorless and practical for long term use. It comes with a silicone sealing ring, which has strong sealing and easy to spout water from water jugs. It needs to be used with a storage shelf (not included). Features - Color: White. - Material: PE. - Size: Approx. 9.00X8.00X4.50cm/3.54X3.14X1.77in. - Scope of Application: Only applicable to water jugs. Only suitable for water jugs with a diameter of 4.5 cm/1.77 inch, a volume of about 5 liters, and threaded screw top. - Adoption of premium PE material, safe, odorless and practical for long term use. - It comes with a silicone sealing ring, which has strong sealing and easy to spout water from water jugs. - It needs to be used with a storage shelf (not included). - Great for indoor, outdoor, parties, picnic, kitchen or camping. Easy to get water with one people. - Reusable and practical, easy to spout water from water bottles, a for home and travel use. Package list: 2 Dispenser Valves