Product:Metal Test Tube Glass Vase Longest Length: 17.5cm /17cm Shortest Width: 6.5cm /6cm Height: 23.5cm /20cm Test Tube Size: 4.7cm x 4.7cm x 18.5cm Color: Black / Golden Optional Material: Metal + Glass Craft: Painting/label/color coating and other surface handling according to the customer’s requirement. OEM: Support Packing: Corrugated carton then pallet. MOQ:  3000pcs for stock products. Sample: free. Certificate: ISO, …