Product overview This package contains 4 bundles of 10A Brazilian straight hair weave extensions in lengths 16 inches, 18 inches, 20 inches, and 22 inches. Total weight is 400g. Hair is 100 percent unprocessed Brazilian human hair in natural black and can be dyed for custom color work. Key benefits Natural look and texture: Straight Brazilian human hair blends smoothly with natural straight or relaxed hair for a seamless finish. Versatile styling: Can be cut, heat styled, and dyed to match style while maintaining a consistent straight texture. Full coverage and volume: Four bundles totaling 400g provide enough thickness for full sewin styles, wig construction, or largevolume installs. Long lasting quality: 10A grade indicates higher quality raw hair suitable for repeated styling when cared for properly. Ready for professional use: Consistent lengths and color make these bundles practical for stylists and athome installers. Product features and specifications Grade: 10A Texture: Brazilian straight Material: 100 percent unprocessed Brazilian human hair Bundles: 4 bundles Lengths included: 16 inches, 18 inches, 20 inches, 22 inches Total weight: 400g Color: Natural black Dyeability: Can be dyed to achieve desired shades Compatibility and common applications Installation methods: Compatible with sewin, gluein, microring, and wig making methods. Styling tools: Can be styled with flat irons, curling irons, and blow dryers. Use appropriate heat protection and professional coloring for results. Use with hair products: Works with standard styling and maintenance products formulated for human hair extensions. Care and maintenance tips Gently detangle from ends to roots before washing. Use sulfate shampoo and a moisturizing conditioner to preserve texture and manageability. Allow hair to air dry when possible or use low to medium heat settings for heat styling. If dyeing, consider professional color services to maintain hair integrity and even color results. Practical use scenarios Everyday volume and length: Create a natural daily look by adding the bundles for fuller length and density that blends with straight or relaxed hair. Special events and styling: Build formal hairstyles for weddings, photoshoots, or events where consistent straight texture and full coverage are required. Custom wig or unit creation: Use all four bundles to construct a full lace wig or sewin unit, then dye and style to a custom color and shape. Why choose these bundles This 4 bundle set offers full coverage and styling flexibility with 100 percent unprocessed Brazilian human hair in a straight texture. The included lengths and total weight make it suitable for full installs and wig projects while allowing color and heat styling when proper care is used.