and high qualityFeature:Laboratory supplies cork flask care.Acid Proof, alkali-resisting, anti-corrosion, heat-resisting.Strong friction coefficient, make sure the flask place stably.Flask mats, round-bottomed flask bottle holders.It can protect your flask, waterproof anti-corrosion.Good assistant for laboratory experiments.Cork Stand only, other accessories demo in the picture is not included.Specification:Material: CorkOuter Diameter:80mm/3.15in - For 10-150ml Flask100mm/3.94in - For 150-250ml Flask110mm/4.33in - For 250-500ml Flask120mm/4.72in - For 500-1000ml Flask140mm/5.51in - For 1000-2000ml Flask160mm/6.30in - For 2000-5000ml FlaskHeight: app.30mm/1.18inColor: BrownQuantity: 1 PcNote:No retail package.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Includes:1 x Cork Stand