How to Prevent TPU Phone Cases from Turning Yellow

clear phone case

Yellowing is one of the biggest issues for transparent and light-colored phone cases. For brands, it means complaints, returns, and damaged reputation. From our production experience, solving this problem comes down to two key factors: Material + Process 1. Anti-Yellow TPU MaterialStandard TPU turns yellow quickly under UV, heat, and daily use.Using high-grade anti-yellow TPU […]

Why Brands Lock Phone Case Suppliers as Early as April

If you think phone case production starts in quartor 3 , you’re already late. Many experienced brands secure their phone case suppliers as early as April — sometimes even earlier. Why? Because timing directly affects product success. New phone launches follow a predictable cycle.Brands that move early can start product development, mold building, and testing […]

Casetify vs Casely: Which Phone Case Business Model Delivers Better Protection and Brand Value?

Casely Case

Introduction: In the ever-growing mobile accessory market, selecting the right phone case supplier goes beyond just protection. It’s about creating a balance between product performance, customization, and long-term brand value. Today, we’ll compare two key players—Casetify and Casely—to examine how their business models address these aspects, and how these strategies impact your brand’s success. Additionally, […]

Amazon’s Top 10 iPhone Cases Best Sellers (2025-12-02)

What This Top 10 List Reveals — Insights from Sendtin Case (OEM/ODM Manufacturer Behind Top Brands) Blog Content: As of December 2, 2025, Amazon’s iPhone case category has become fiercely competitive. Top-selling cases reveal what consumers truly value: protection, functionality, and premium feel. Below, we analyze the Top 10 iPhone cases on Amazon, exploring their […]

What Are Magnetic Phone Cases?

Magnetic phone cases have gained widespread popularity among smartphone users, thanks to their innovative design and practical functionality. Equipped with built-in magnets, these cases offer a perfect blend of protection, convenience, and style. In this article, we’ll dive into the key features, benefits, and various types of magnetic cases, highlighting why they’ve become an essential […]

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