Reusable Beer Bottle Cover Silicone Rubebr Wine Stoppers. Wide Material Selection: Offers Silicone, NBR, EPDM, FKM, CR, SBR, and various plastic materials. Custom Color Options: Available in any color according to PANTONE or RAL standards. High Temperature Resistance: Operates effectively within a temperature range of -40 to 230 Celsius. Comprehensive Certifications: Compliant with ISO, FDA, REACH, RoHS, UL, WRAS, and DIN standards. Fast Production Lead Time: Molding takes 15 days, series production takes 15-20 days. High Precision Tolerance: General tolerance is +/-0.05mm, with options for tighter precision. Free Sample Availability: Free samples are available for customers to evaluate product quality. Small Order Acceptance: Small quantity orders are accepted to meet diverse customer needs.