Name: Roll-up top round bottom glass test tube Material: Premium glass Shape: Tubular Color: Transparent Size:20x100mm/20x120mm/20x150mm/20x200mm/25x120mm/25x150mm/25x200mm/30x150mm/30x200mm Surface/Texture: Labeling,S/S or H/S logo,color coating, etc. OEM:Sample processing, brand customization Pack: Carton with partition board, export pallet MOQ:  Support small inventory orders, customized large orders Samples: Free, need you to bear the express cost or proofing cost if necessary Certificate: ISO GB/T 24694 International export standard Use for:Holding kinds of …