and high quality Feature: 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: Cork Outer Diameter: 80mm/3.15in - For 10-150ml Flask 100mm/3.94in - For 150-250ml Flask 110mm/4.33in - For 250-500ml Flask 120mm/4.72in - For 500-1000ml Flask 140mm/5.51in - For 1000-2000ml Flask 160mm/6.30in - For 2000-5000ml Flask Height: app.30mm/1.18in Color: Brown Quantity: 1 Pc Note: 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