Nalgene® Narrow-Mouth Bottle Closures, Polypropylene, Assorted Colors

Nalgene® polypropylene screw caps are designed for Nalgene® narrow mouth bottles and protect the contents from UV light when used with opaque Nalgene® bottles. These one-piece, linerless screw cap closures have an integrally-molded seal ring to ensure leakproof performance and reduce the chance for cross contamination. The well-defined closure knurl makes gripping and capping easy. Nalgene® narrow-mouth bottle screw caps meet FDA CFR21 177.1520 for food and beverage use. All raw materials used in production meet CONEG regulations for heavy metal content. Bulk Packed. Leakproof.