[Easy to use clean] Transparent glass dropper allows you to easily read numbers distinguish liquid. Use the accompanying cleaning brush, the cleaning wk is easy. The brush design is used to touch every cner of the glass migration tube to though cleaning maintaining . [Safe dishwasher] Drop tubes can be cleaned in the dishwasher, the scale will not disappear. Glass dropper can save your time allow you to enjoy life better. [Easy to distinguish] include 5 black 5 white demolition to facilitate distribution of liquid. [Multifunctional dropper] Whether you are a scientist, an artist a DIY enthusiast, these dropper are imptant tools f accurately measure distribute liquid in the project. From mixed essential oils spices to adding accurate amounts of edible pigment liquid sweetener in cooking creativity, our glass dropper is your preferred solution. [What you get] The durability, versatility easy cleaning of the glass dropper an essential tool f anyone a enthusiast. We are confident in the quality of these glass dropper. Note:Due to different production batches, the cols in some places are rom cannot be specified. Colour:Transparent Material:Glass Package Contents: 10 droppers 1 brush Only the above package content, other products are not included. Note: Light reflection different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.