All Research Plates are 60mm x 15mm and use one of 3 recipes rigorously tested for optimal mycelium growth and health. All Research Plates are made to order in front of a 2'x4' HEPA Certified Whisper Flowhood and will take up to 10 days before it is shipment ready. If there is any issue with the quality of your plate once you receive it, you have 5 days from the time of receipt to contact us, with photos, for a replacement. Be advised, replacement plates will also take up to 10 days to be shipment ready.