Simple and effective: Choose a jar, twist the lid of the hive feeder with water or syrup, turn it upside down and insert it into the hive to complete the installation. Reasonable design: The aluminum cover of the feeder adopts a non-detachable sealing ring design to form a vacuum, automatically preventing rapid dripping and achieving continuous feeding. Water or syrup can automatically drip onto the back cover without wetting the hive, allowing bees to enter water at any time. and drinking water. Easy to use: Just place the plastic or glass jar on the lid, tighten, and finally turn it upside down to complete the installation. Fits Most Jars: Aluminum lid fits most glass or plastic jars in the 2 3/4 inch diameter kitchen Material: Plastic colour: White Package Contents: 1 set of bee feeders (4-pack) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.