This custom double layer square 4 color eye shadow box is designed for brands seeking a modern, compact, and functional packaging solution for pressed powder eye shadows. The structure features two stacked layers in a sleek square profile, allowing space for four individual color pans while maintaining a slim, portable silhouette that fits easily into handbags, makeup cases, or travel kits.The double layer design is ideal for creating coordinated palettes, such as day-to-night combinations, neutral and bold contrasts, or base and accent shades. Each layer can hold two colors, making it simple to organize shades by function or look. The structure opens smoothly, with a secure yet user‑friendly mechanism that ensures the box stays closed during transport and daily use.The square format offers a clean, minimalist appearance that complements a wide range of brand identities, from luxury and professional to playful and trendy. Its flat surfaces provide generous space for custom decoration, including printing, hot stamping, embossing, debossing, or the application of labels. Brands can highlight logos, color stories, or collection themes directly on the lid or sides for strong shelf impact.Material options typically include durable plastic or eco‑conscious alternatives, depending on project requirements. The box is engineered to be lightweight yet robust enough to protect the powder pans from breakage. The interior can be customized with inserts or wells designed for standard or bespoke pan sizes, ensuring a snug, stable fit and a refined presentation. A built‑in mirror can be added to the inside of the lid for on‑the‑go touch‑ups, and there is optional space for a small applicator such as a sponge tip or mini brush.The finish of the compact can be tailored to match brand aesthetics. Choices include glossy, matte, soft‑touch, metallic, translucent, or gradient effects. Color matching services allow the outer shell to harmonize with the shades inside or with a larger product line. Transparent or partially transparent lids can be used to showcase the colors at a glance, while opaque lids deliver a more understated, premium feel.This 4 color eye shadow box is suitable for a variety of product concepts, including seasonal collections, limited editions, and permanent range hero items. Its flexible configuration supports both mass market and prestige positioning. By combining a practical double layer structure with a stylish square design, it offers an ideal balance between functionality, aesthetics, and branding potential, making it a versatile choice for any color cosmetics line.