About this item

• Pack & Size Range: includes 10 stoppers, available in sizes 1#–7#, suitable for laboratory bottles, vials, and standard lab containers
• Chemical & Heat Resistance: made of premium silicone, withstands temperatures up to 200 °C, and resists most chemical reagents without degradation
• Sealing Performance: provides a reliable seal to prevent solution leakage, maintains flexibility and fit over prolonged use
• Durability & Reusability: long-lasting, reusable design, retains pliability and structural integrity over time, note measurement may vary ± 1 mm
• Warranty & Support: covered by StonyLab 1-year limited warranty, contact us immediately for any damaged or defective items