Lab bottle caps are one of the most essential consumables in any laboratory, yet they are often overlooked until the moment they’re needed. Whether you’re storing reagents, transporting samples, or simply organizing lab inventories, choosing the right caps can directly impact the safety, reliability, and efficiency of your work. In this post, we’ll explore why lab bottle caps matter, the differences between common options like unlined caps, plain caps, and screw caps, and how to make the best choice for your specific lab needs.