1.carton size:56x35x30cm 2. Material:Polystyrene(PS). 3. Vol:96 vents, 40 vents 4. Kinds: U type, flat bottom 1. Material: high-grade PS;2. Specification: 96 wells with flat bottom & cover;3. Alphanumeric index ensure counting & sample comparison & convenient test record when carrying biochemical & immnology test;4. Packing: 250pcs/carton5. Delivery Time: 5-15 days;6. Certificates: ISO & C