Feature Highlights: 1. Precision Graduations – Clear, accurate markings ensure reliable measurement and sample tracking. 2. Premium Lab-Grade Material – Made from 100% high-quality polypropylene, free from slip agents, plasticizers, and biocides to prevent sample contamination. 3. Secure Sealing Design – Hinged lid provides tight closure, minimizing evaporation during long-term storage and reducing risk of accidental opening. 4. Chemical & Temperature Resistant – Highly durable against chemicals, mechanical stress, and temperature variations for versatile lab use. 5. Optimized for Sample Storage – Ideal for centrifugation, sample containment, and organized laboratory workflows. Product Details: These 50ml centrifuge tubes are manufactured with premium polypropylene to ensure purity and consistency in lab applications. The tight-sealing hinged lid prevents leaks and evaporation, while the chemical-resistant construction maintains integrity under various conditions. Graduated markings allow for precise volume measurement, making these tubes suitable for centrifugation, sample storage, and experimental procedures. Specifications: - Capacity: 50ml - Material: Polypropylene (BPA-free, non-toxic) - Size (Dia. × H): 116 × 29mm - Color: Blue - Package Contents: 150 × Centrifuge Tubes Note: Slight color variations may occur due to lighting and display differences. Measurement tolerance: ±1–3cm.