Single-Hole Design: Each stopper features a single-hole design, suitable for a wide range of laboratory applications, offering a reliable sealing solution
Convenient Pack: FunChem silicone stoppers come in a pack of 5, perfect for lab use; each one is size 10# and fits various lab containers
Leak Prevention: They seal liquids securely, preventing spills during experiments or storage, ensuring lab safety and efficiency; please keep in mind: these stoppers are meant for labs only and should not be used with food or drinks
Guaranteed after-sales service: if received defective or damaged item, please contact us; We will definitely help you solve the problem until you are satisfied