After-Sales Service: ULAB Scientific guarantees that no sale is complete unless the customer is satisfied. Thanks for your patience. Dia. You can do the following options once got broken product. 1.Contact us for refund. If you have any questions or suggestions on our products or service, please do feel free to contact us. Glass Petri Dishes 60MM GLASS TISSUE Petri Dish Culture Dish Culture Plate With Cover @>:i Lab Petri Dishes Clear for viewing contents 60MM GLASS TISSUE petri dish culture dish culture plate with cover @>:i... ( If replacement is required ) ULAB Glass Petri Dishes set, include 5pcs of Dia. You'll get our reply within 24 hours. Reusable, heavy wall and 3.3 borosilicate glass, may be steam sterilized and reused 60 Mm Glass Petri Dishes Reusable Petri Dishes 10 Pcs Autoclavable Lab Petri Plates With A Inoculation Loop I3729970104 These petri dishes are perfect for education, research, testing and other use in laboratory. Speaker Stand for JBL Partybox100, All Metal Heavy Base Speaker Pole Stand for JBL Partybox100/110/120, Height Adjustable(Holds 44lbs) [Height Adjustment] - The speaker stands with extendable tube allow to adjust the height from 22.63 to 36.22 for optimum acoustics The glass culture petri dish is fragile, the used petri dish should be cleaned in time and stored in a safe and fixed position to prevent damage and breakage. Petri dishes are used for microbiological procedures, as well as suspension culture or plant cell culture.