Superior Double-Seal Closure. Leak-Resistant Design and No-Drip Pour Lip for safe, clean dispensing. Convenience-packed, our premium line of plastic containers are offered in natural and amber HDPE, natural LDPE and natural PP. White and other additional colors are available upon request. These containers are available with pre-attached closures, which are made of polypropylene and available in natural or amber. Closures for our narrow-mouth containers are available in natural, white, red, blue and green.