The Precision Concepts Smooth 33-400 PP Threaded Closure is a straight-sided, flat cap component manufactured for primary packaging applications. This 33mm diameter, 400 neck finish PP closure is suitable for a range of personal care and cosmetic packaging, including body lotion packaging, face moisturizer packaging, and hair treatment packaging. The closure features a smooth, straight-sided profile with a flat top and threaded style for secure application on compatible containers. It measures approximately 1.4 inches in diameter and 0.44 inches in height, with a component weight of 2.2 grams.

Available in standard white, black, and natural PP, this 33-400 threaded closure can be paired with containers requiring a matching neck finish for consistent product packaging. Decoration options such as offset print and digital print are available for branded or custom requirements. The straight-sided flat design ensures compatibility and ease of use in automated capping and filling operations. This component is widely used in primary packaging for body scrubs, eye creams, lip products, and other personal care items requiring secure closure and straightforward product dispensing.