# Lianping Luggage présente des étuis EVA pour lunettes alliant protection maximale et style

Canonical URL: https://evacasemanufacturer.com/fr/news/lianping-luggage-introduces-custom-eva-eyeglasses-cases-for-ultimate-protection-and-style
Published: 2024-02-05 15:41:00
Author: Dongguan Lianping Luggage Co., Ltd.
Publisher: LIANPING
Keywords: custom eva eyeglasses case, eva glasses case manufacturer, hard shell sunglasses case, velvet lined eva case, shockproof eyewear case supplier, custom eyeglasses case moq 500, eva eyewear packaging oem
Views: 2 455
Language: fr

LIANPING moule des étuis à lunettes EVA personnalisés avec doublure velours, fermetures YKK et coques testées à l'écrasement. Découvrez les options de doublure, MOQ 500 et échantillonnage en 3 jours.

A sourcing manager at a European optical chain opened the carton we shipped in March and replied with a single photo: four acetate frames with the temples snapped at the hinge, every one of them still inside a case that looked untouched from the outside. The carton itself had already cleared a 1.2 m corner drop with little more than a scuff. That gap between a shell that survives and a frame that does not is what pushed our eyewear program forward this year.

## Why soft pouches lose to a molded shell

Spectacle damage rarely comes from a fall. It comes from a 1.5 kg water bottle pressing down in a tote bag, or a case wedged shut in a car door pocket. Fabric and microfiber pouches spread that load straight onto the temple hinge, which is the weakest point on any frame. A molded EVA shell behaves differently: the wall carries the compression and routes it around the cavity instead of through it. Across our [EVA case range](https://evacasemanufacturer.com/fr/products/category/eva-cases) we run eyewear shells from sheet stock in the 0.18-0.22 g/cm3 density band, landing around Shore C 55-65, stiff enough to hold shape under a firm one-hand squeeze and forgiving enough that the zipper tape does not split after a few thousand cycles.

## What changed on the molding floor

Eyewear tooling looks simple because the part is small, and that is exactly where projects go wrong. A rim left 0.4 mm thin at the mouth lets the lid cave under load; add 0.6 mm and the case no longer drops into a jacket pocket. Our tooling team holds compression molding temperature within roughly 5 degrees Celsius of target across the six lines at the Caodun Industrial 4th Street workshop, because that spread is the difference between a lid that seats flat and one that has to be pressed shut.

Interior build gets argued over longer than the shell does. The standard spec is a die-cut EVA or egg-crate foam pad faced with velvet or a short-pile flocking, which keeps lens coatings from picking up hairline scratches on the way to the store. Oversized sunglasses need a wider bridge cut and a deeper lens pocket, so we scan the physical frame rather than work from a flat drawing. Buyers already running [our EVA eyeglasses case line](https://evacasemanufacturer.com/fr/products/sub/eva-eyeglasses-case) usually standardise the interior across two or three frame families to keep foam tooling spend down.

- Closure: YKK coil zipper tested to about 5,000 open-close cycles, or a snap-lock clamshell for children's ranges

- Surface: PU leather grain, 600D Oxford cloth laminate, or matte bare EVA with a clean debossing panel

- Carry: webbing wrist loop, carabiner hook, or a flat profile sized for a shirt pocket

This month's eyewear run is going out with a matte PU surface and a debossed lid logo. Next on the schedule is a kids' size with a wider zipper pull and a rounded top seam. Two sample sets leave for Rotterdam on Wednesday, and every shape, colour and lining on the list is quoted from the same [customization sheet](https://evacasemanufacturer.com/fr/customization).

## FAQ

**What MOQ does LIANPING require for custom EVA eyeglasses cases?**

Custom EVA eyeglasses cases start at 500 pieces per shape and colour. Unit pricing is tiered at 500, 1000 and 3000 pieces, so the second and third tier usually decide whether a separate foam tool is worth cutting. Mixed colourways can be combined to reach a tier within the same shell.

**How long does a custom eyeglasses case sample take?**

A standard sample leaves the bench in about three working days once the frame dimensions are confirmed. Shells with an unusual opening, a clamshell snap or a multi-cavity foam insert take longer, typically one to two weeks, because the tooling has to be cut and the first article re-checked against the real frame.

**Can EVA eyeglass cases meet EU chemical requirements?**

Yes, EVA sheet and laminates can be supplied to RoHS and REACH requirements, with CA Prop 65 statements available for US-bound orders. We issue CTI material test reports against the actual batch and hold ISO 9001 documentation on incoming inspection, so your compliance file matches the goods shipped rather than a generic spec sheet.

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