If you're looking for a practical solution for your lab needs, these 50 plastic test tubes with screw lids are just the ticket. Each tube holds 40 ml, making them perfect for storing samples, mixing solutions, or even conducting experiments. Made from durable plastic, they're lightweight yet sturdy, so you don’t have to worry about breakage during handling. Plus, the screw lids provide a secure seal, ensuring your contents stay safe and prevent any spills or contamination.
These test tubes are versatile enough for a variety of uses, whether you're a teacher, a student, or a DIY science enthusiast. They're easy to label, so you can keep track of your samples effortlessly. Cleaning them is a breeze too—just rinse and reuse! So whether you’re conducting an experiment at school or just need a reliable storage solution, these test tubes are an excellent choice that won't let you down.