24-410 Plastic Bottle Caps – Fits Some 2oz, 4oz, 8oz, 16oz Bottles – Boston & Cosmo Round Bottles – Leak-Resistant Screw Lids with Foam Liner (6 Pack)

Upgrade your bottles with these premium 24-410 Plastic Screw Caps, designed to provide a tight, leak-resistant seal for a wide range of products. Whether you’re bottling liquids for your business, crafting at home, or replacing worn-out lids, these versatile caps offer dependable performance and a clean, professional look. Each cap features a 24-410 neck finish, the most common industry standard for small and medium-sized bottles. This makes them compatible with 2 oz, 4 oz, 8 oz, and 16 oz bottles, including Boston Round, Cosmo Round, PET, HDPE, and other popular plastic and glass containers used for beauty, skincare, haircare, essential oils, soaps, lotions, and more. Built from durable, BPA-free plastic, these caps twist on smoothly and stay securely in place. The interior PE foam liner provides an additional layer of protection, helping prevent leaks, spills, and product evaporation during storage, travel, or shipping. Perfect for both home and commercial use. Whether you’re packaging shampoo, conditioner, oils, serums, cleaning solutions, craft liquids, or DIY formulations, these 24-410 screw caps deliver the reliability and consistency you need. Replace your old caps, restock your supply, or upgrade your packaging with a trusted, universal closure size used across thousands of bottle types.

• Universal 24-410 Fit – Designed to fit the most common bottle sizes, including 2 oz, 4 oz, 8 oz, and 16 oz Boston Round, Cosmo, PET, and HDPE bottles used for skincare, haircare, beauty, and household products.
• Leak-Resistant PE Foam Liner – Each cap includes a tight-sealing foam liner that helps prevent leaks, spills, and evaporation during storage, travel, or shipping.
• Durable BPA-Free Plastic – Made from strong, food-grade, BPA-free plastic that twists on smoothly and provides a secure, reliable closure for liquids of all types.
• Perfect for DIY & Commercial Use – Ideal for packaging shampoo, conditioner, soap, oils, serums, cleaning solutions, craft liquids, and more. Great for home crafters or small businesses.