Excellent combination: provides you with a medium-sized marking tube and manufacturers of different colors, which is convenient for marking bees; the tip of this marking pen is softer, easy to color, and further protects the bees. High-quality materials: The bee marking tool is safe to use and undergoes a production process with advanced technology, durable and long service life. How to use: This is a very practical queen bee bottle. When you find it, put it in, gently press the plunger to make her stick to the grid and mark at the same time. Protect the bees: When the mark is dry, slowly release the plunger and then open the grid door to release the bee Instructions: Find, put her inside, gently press the plunger to fix her on the grid and mark at the same time. color: yellow marking pen color: Random color, ' accept the specified color Material: Plastic + Sponge size: Bottle size approx: 4.3x6cm, pen approx 13.5cm Package contents: 2*marked bottle 3*Random color of marking pen Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.