Yopay 4 Pack Glass Media Bottle 1000ml, Reusable Storage Bottles with GL45 Blue Screw Cap, Graduated Borosilicate Bottles Round Scientific Glass Container for Labs, Classrooms or Home Use - YO-GlassMediaBottle-1000ML-4P

• Package includes: You will get 4 pack media storage bottles with GL45 blue screw cap, each bottle measures 9.3"H*3.7"D, approx 1000ml capacity. Screw Leak Proof Cap: The glass bottle storage caps are linerless, each cap has an o-ring at the top of the glass for leakproof, the lid can be sterilized by high-pressure steam treatment at 284℉(140°C). Graduation lines: There is white graduation lines on the glass bottles, marked every 100 ml, which is from 100 ml to 900 ml for more precise measurements and easier use, each glass bottle has a large labelling area for markings. Made to Last: These round storage bottles are made of borosilicate glass, which is durable, reliable, and very long-lasting. Note: Do not tighten the cap immediately after autoclaving - the resulting cooling vacuum could break the glass. Our scientific bottles are compact and lightweight, ideal scientific equipment for mixing and sampling in labs, schools, and for STEM activities.