The scale of each dropper is as follows:1ml,2ml,3ml,4ml,5ml,which is so convenient to use.The total length of the dropper is 12.4cm including the silicone cover.Made of the food-grade silicone and plastic,so it is very safe to use.This is easy to store,which can be placed in dishwasher,freezer,refrigerator.This is a very convenient dropper for baby,which will prevent your child from choking.color:Photo colorMaterial:Plastic + SiliconePackage Contents:24 x droppers(Pink, Yellow, Purple, Red, Green, Orange, Light Blue, Dark Blue 3 each)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.