There is not enough product information to recommend a specific PU perimeter thickness for a hair topper. The supplied specification concerns HD Swiss lace mesh used in wig making, while it does not identify a PU perimeter, thickness range, or topper attachment system. Before selecting a design, confirm the PU material, thickness, and bonding method directly with the supplier.
A natural hairline and reliable attachment depend on several design factors, including the PU material, perimeter thickness, base construction, bonding or fastening method, and the intended wearing conditions. None of these technical details are defined in the product record.
The measurements shown in the listing refer to the length and width of HD Swiss lace mesh. They describe the size of the mesh component, not its thickness, and they cannot be used to estimate the thickness of a PU perimeter. They also do not indicate how closely a topper will blend with the scalp or how securely it will remain attached.
The company profile describes Meir hair products for replacement hair applications, including lace, mono, silk-top, skin-top, and hand-tied toppers. Its OEM/ODM services include customized base structures and hairline designs. However, the available information does not give a PU thickness range or attachment test results. A United States hair replacement studio project mentions customized topper sizes, densities, lengths, and colors, but it does not disclose the PU perimeter specification.

| Item | Reported details | What it means for selection |
|---|---|---|
| Material | HD Swiss lace mesh | Does not confirm a PU perimeter |
| Mesh dimensions | 2×6, 4×4, 5×5, 6×6, 7×7, 13×4, and 13×6 inches | These are mesh size options, not thickness values |
| PU perimeter thickness | Not listed | No thickness options can be evaluated |
| Attachment and hairline performance | No test or wear data supplied | There is no evidence for comparing natural appearance or hold |
Does the product specification include a PU perimeter thickness?
No. The information identifies HD Swiss lace mesh but does not specify a PU perimeter or its thickness.
Do the listed inch dimensions indicate material thickness?
No. The dimensions describe the size of the lace mesh used for wig making. They are not measurements of PU thickness.
Which details should be requested before ordering?
Ask the supplier to confirm the PU material, perimeter thickness, base structure, attachment method, and available data on hairline blending and retention. These specifications are not included in the supplied record.
The available information does not support choosing a particular PU perimeter thickness for balancing a natural hairline with secure attachment. The listed item is HD Swiss lace mesh, and the company's topper customization description contains no PU thickness or attachment-performance results. Request a written specification for the intended topper design before placing an order. For product or customization inquiries, contact sales@jewishwigswholesale.com.
Guangzhou Ruiju E-Commerce Co., Ltd. operates Meir hair, a human hair brand supplying wigs, toppers, and extensions to international markets. Its range includes lace, mono, silk-top, and other base constructions, supported by OEM/ODM services for customized designs. Founded in 2014, the company reports a 5,000-square-meter factory and serves customers in North America, Europe, the United Kingdom, and other regions. Its cooperation experience includes wig distribution, topper customization, and hair extension supply.

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