Bone Straight Piano Hair Weave: Orange & Brown P4/350

Bone straight piano orange & brown hair weave is a multi-tonal vertical color highlight (piano color) processed on premium, raw Vietnamese human hair and thermally structured to an extremely silky, pin-straight from root to tip finish. The P4/350 color technique layers alternating, perfectly aligned vertical streaks of rich dark brown and vivid ginger-orange into a single weft — producing a high-contrast, dimensional look that holds its panel clarity from root to tip.

The bone straight result comes from thermal restructuring of the cuticle, keeping the orange and brown panels in sharp parallel lines without texture variation blurring the boundary between tones.

→ Explore other warm orange tones: Bone Straight Orange Ombre Orange

The P4/350 Technique & Available Formats

K-Hair Factory supplies bone straight piano orange & brown hair in Super Double Drawn (SDD) grade — maximum thickness from weft to ends, with very few short hairs in between:

• P4/350 Color Code: Alternating dark brown (P4) and ginger-orange (350) vertical panels, precision-separated at factory level to prevent color bleed between tones.
• Bundles / Wefts: Available in standard 100g sizes, ideal for sew-in, glue-in, or clip-in installations.
• Lace Units: Also constructed as ready-to-wear units with closures (e.g., 4×4) and frontals (e.g., 13×6) featuring HD lace for a seamless finish.

→ Find the right length for your install: Hair Extension Length Chart

Product Specifications

→ Compare with the solid brown variant: Bone Straight Gold Brown

→ Explore the piano color family: Bone Straight Piano Black Orange — Bone Straight Natural Color Weave

Maintenance for Piano Colored Hair

Dual-tone piano color demands careful maintenance to keep the vertical streaks sharp and the cuticle sealed:

• Washing: Use a sulfate-free shampoo; follow with a color-safe conditioner to protect the P4/350 pigment from oxidizing at the panel edges.
• Heat styling: Apply a heat protectant before flat-ironing to maintain the pin-straight structure and prevent pigment fade at the panel borders.
• Detangling: Always brush from the ends and work gently up to the roots — never root-to-tip on piano-colored wefts to prevent cross-contamination between panels.

Manufacturer’s Insight — Mrs. Cherry, Sales Manager, K-Hair Factory: “Achieving sharp piano streaks on bone straight hair requires precision sectioning at the factory level. If the color bleeds during processing, the boundary between the orange and brown panels becomes muddy and the contrast is lost. Our thermal sealing step locks the P4/350 panels in place before the weft is cut — which is why the alternating vertical streaks stay perfectly defined through repeated styling and washing.”