The Multi Color Custom Rectangular Eyeshadow Palette OEM is designed for brands seeking a flexible, professional-level eye makeup solution that can be fully customized. This palette features a sleek rectangular case that can be produced in a variety of finishes, including matte, glossy, metallic, or soft-touch, to match different brand aesthetics and target markets. Its compact yet spacious design offers room for multiple pans, making it suitable for everyday collections, seasonal launches, or limited-edition collaborations.Each palette can be configured with a tailored selection of shades, from neutral mattes and soft shimmers to bold metallics and dazzling glitters. Color stories can be developed around specific themes, skin tones, or makeup trends, including warm nudes, cool smokey tones, rose hues, jewel tones, or colorful editorial looks. Different textures such as matte, satin, shimmer, metallic, duochrome, and glitter can be combined within one palette to provide maximum versatility for users.The eyeshadow formula can be customized to meet specific performance requirements. Options include highly pigmented, long-wear formulas with minimal fallout, as well as softer, more buildable textures suitable for beginners. Both talc-based and talc-free formulas are available, and clean beauty concepts can be supported according to requested ingredient lists and regional regulations. The powders are designed for smooth blending, easy application, and comfortable wear throughout the day.Packaging options can be adjusted to fit various positioning levels, from mass market to premium and luxury. The rectangular palette can incorporate features such as an internal mirror, magnetic closure, or snap closure. The exterior can be decorated with custom colors, patterns, printing, hot stamping, UV coating, and embossing or debossing to highlight logos and design elements. Private label branding is fully supported, including custom pantone matching and special finishes.Pan sizes, shapes, and arrangements within the rectangular layout are flexible. Standard round or square pans are available, as well as custom shapes if required. The number of shades can range from a minimal 4-color palette up to 18 colors or more, depending on the desired product concept. Refills and interchangeable pans can also be developed for more sustainable and modular product lines.Formulation options include standard, vegan, and cruelty-free configurations. Requests for specific certifications, such as compliance with EU, US, or other regional cosmetic regulations, can be accommodated. Fragrance-free and sensitive-skin-oriented versions can be created to cater to different consumer needs.This Multi Color Custom Rectangular Eyeshadow Palette OEM solution supports comprehensive customization from formula and shades to packaging and branding details. It is suitable for emerging indie labels and established beauty brands looking to expand their product portfolios with distinctive, high-quality eyeshadow palettes tailored to their market identity and consumer preferences.