Idealpak 47-400 PP Straight Sided Flat Cap

What this packaging is

A clean, flat profile and precise 47-400 neck finish make this closure one of the most broadly compatible caps in personal care packaging. The 47-400 PP Straight Sided Flat Cap is constructed from durable polypropylene and weighs just 4.2 grams — keeping shipping costs lean across high-volume runs. At 1.93 inches in diameter and 0.47 inches in height, the straight-sided form works across jar formats used for face moisturizers, body scrubs, hair treatments, and body butters. A smart inventory consolidation play for brands managing multiple SKUs across categories.

Why brands choose this

• 47-400 neck finish covers serious category range: The standard 400 thread finish means this cap integrates with a wide ecosystem of jar bodies already on the market — reducing tooling investment and letting brand teams mix, match, and scale across face, body, and hair SKUs without sourcing multiple closures.
• At 4.2g, shipping economics work in your favor: Polypropylene keeps the cap ultralight without sacrificing thread integrity or a clean flat aesthetic — a meaningful cost lever when you're moving tens of thousands of units across a full product range.
• Straight-sided form is a decorator's baseline: The smooth, flat sidewall gives brand teams a clean canvas for pressure-sensitive labels, shrink sleeves, or direct print — making it easy to differentiate SKUs visually while keeping the underlying component consistent across the line.