【 LAB CORK STANDS 】 : Select high-quality, environment-friendly and high-density synthetic cork. Large in friction coefficient thus can placement of the round bottom container and stable
【 HIGH PERFORMANCE FLASK HOLDER 】 : The laboratory flask holder is pressed by high temperature and pressure, and the thickness is 30mm. Industry quality level with elegant and simple design
【 PREMIUM QUALITY LAB CORK HOLDER 】 : and alkali resistance, resistance, heat resistance, heat insulation. Chemistry Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product
【 GOOD ELASTICITY FLASK SUPPORT 】 : Good elasticity,strong friction coefficient,make sure the lab flask cork stands can place stably. Lightweight,strong flexibility and compression
【 VERSATILE FLASK STAND RINGS 】 : This lab cork holder ring is suitable for all kinds of round bottom glassware, convenient and practical. The design can help you save time and effort when using