🔍 Discover the Science of Growth! Ethylene oxide sterilized for your peace of mind. Delivered in a sturdy box for ultimate protection. Ideal for bacteria, fungi, and seed cultivation. High transparency for maximum observation. Perfect for lab analysis and school projects! 15mm depth 20 pack 90mm diameter This 20-pack of sterile plastic Petri dishes, measuring 90mm in diameter and 15mm deep, is designed for a variety of applications including lab analysis, seed cultivation, and educational projects. Made from high-quality polystyrene and sterilized for safety, these dishes ensure accurate testing and observation.