The professional hive entrance watering tools feature the plastic material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Easy installation, place them in the right place so that your bees can feed them easily. Features -Color:Transparent -Material:Plastic -Size:17.00X9.50X11.00cm/6.68X3.73X4.32in - Use of plastic material to its durability and security. This is a perfect option if you need some bees water feeders. - Bee feeder is easy to operate and save time and energy for beekeeping farmer. - The use of this device does not need to open the box, does not interfere with the bees colony, does not lose heat. - According to your intention to feed bees, without opening , convenient for operation. - This portable cup feeder kit helps you supply your bees with fresh water or feeder at any time. Package list: 18 Feeders