Volume: 3ml ,5ml ,10ml,Customize Made of : Anodized aluminum cover/plastic cover+steel ball/glass bead Lid: Anodized aluminum Surface: Deco/hot stamping/silk printing/labeling… customized Packing: Carton then pallet Samples:Free MOQ:3,000pc Features: Perfect for making sample roll-ons, to test new mixes before committing to using more carrier oil in a regular size roller. Ideal for samples of your homemade essential oil blends, perfume blends, …