| Model Number | Dimensions (L × W × H) |
|---|---|
| L8088 | 160 × 60 × 40 mm |
| L8089 | 160 × 61 × 37 mm |
| L8090 | 160 × 60 × 38 mm |
| L8091 | 158 × 60 × 38 mm |
| L8092 | 160 × 52 × 36 mm |
| L8092-1 | 161 × 61 × 38 mm |
| L8093 | 157 × 60 × 37 mm |
| L8095 | 159 × 62 × 39 mm |
| L8097 | 158 × 54 × 36 mm |
| L8098 | 158 × 55 × 36 mm |
Metal eyeglass cases are significantly sturdier than those made of cardboard or plastic. At the same thickness of 0.4 mm, the bending strength of a metal sheet is 8 to 10 times that of cardboard and 3 to 5 times that of ordinary plastic.
Simply put: only by using a metal sheet as the frame can the case “stand upright, resist crushing, and withstand regular use.”
5 Key Stages That Determine Quality:
Stage 1: Sheet Metal Stamping—The Starting Point of the Frame
A 0.4mm-thick galvanized steel sheet is fed into a 60-metric-ton punch press, where the precise curves of the box lid and base are stamped in a single operation using a die. The edges of the stamped sheet are smooth and burr-free, with precise curves and an error margin controlled within ±0.1mm.
Stage 2: PU Leather Cutting and Cold-Press Laminating
Elastic PU leather is precisely cut to match the shape of the metal sheet and tightly bonded to it using a cold-press mold. The advantage of cold-pressing is that it preserves the elasticity and surface texture of the PU leather while ensuring there are no air bubbles or gaps between the leather and the metal sheet.
Step 3: Heat-Pressing the Flocked Lining
The lining is produced using a flocking process—short pile is heat-pressed onto the vacuum-formed base material at high temperatures (approximately 160–180°C). The flocked lining does not shed fibers or degrade over time; it lasts 3–5 times longer than ordinary foam linings and features a soft, smooth surface that does not scratch eyeglass lenses.
Step 4: Case Assembly
The three-layer structure—comprising the metal frame, PU leather shell, and flocked lining—is assembled together. Molds are used for precise positioning to ensure the case lid and base fit together perfectly.
Step 5: Magnet Installation and Calibration
Powerful spring hinges are integrated into the sides of the case lid and base—providing just the right amount of magnetic pull so the case can be opened with one hand and closes crisply and securely.
What details give the metal-framed eyewear case its “premium feel”?
When manufacturing metal-framed eyewear cases, there are three details that are easily overlooked but significantly impact the user experience:
Detail 1: Edge Finishing
All edges are first cold-pressed into shape and then folded using a mold—resulting in smooth, rounded edges that won’t cut your hands. The thickness and elasticity of the leather will affect the quality of the edge finishing.
Detail 2: The Sound of Opening and Closing
The sound produced when the spring hinge opens and closes is unique to metal eyeglass cases—a deep, crisp sound, like closing the door of a high-end car. This sound itself tells the user, “This is a quality eyeglass case.”
Detail 3: Coordinated Lining Color and Leather Design
The color of the flocked lining harmonizes with the tone of the exterior PU leather, and brand identity can be highlighted through design patterns. When touched, the lining feels fine and even, with no hard lumps or sparse areas.
Who is this metal eyeglass case for?
Eyewear brands with high aesthetic standards for packaging—it’s not just “a box for glasses,” but an integral part of the brand experience
Long-term thinkers—individual users who don’t want their eyeglass case to wear out after just a few months
Custom gift clients—the metal eyeglass case itself serves as part of the gift, and it will be used frequently。
Download the product catalog: https://www.xhglassescase.com/2026-integrated-eyewear-packaging-catalog/
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