Lab Pro offers durable Screw Caps designed for secure sealing of tubes, bottles, and containers in laboratory and industrial settings. Made from chemical-resistant materials, these caps ensure leak-proof closure and sample protection. Available in various sizes and colors to fit your specific needs. Browse our selection below. For bulk pricing, contact us at 888-4-LABPRO (888-452-2776). Next-day service in California and same-day service for will-calls.