SPECIAL DEVICE: The special Water feeder equipment for bees is made of plastic, safe, non-toxic and harmless, can avoid the death of the bees and prolong their life span EASY TO OBSERVE: The bee drinking nest is very easy to observe how much water is remaining and plan accordingly without disturbing your bees FARMER HELPER: This bee entrance feeder could slip water automatically save time and energy for beekeeping farmer EASY TO USE: After installation in seconds, and put the bee water entrance device in the right place, so that bees naturally find water to provide more convenience Note: If the you wanna the water drip quickly, please do not keep the bottle too tight on the yellow pad. The water drips speed can be controlled by the adjust the tightness effectively colour:Yellow + transparent Material:plastic size:15.2 x 13.2cm Package Contents: 4 x bee feede Only the above package content, other products are not included. Note: Light shooting 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.