iPhone 11 Series Mobile Phone Shell: TPU+PC Back Cover with Injection-Moulded Solid Colours

This mobile phone shell combines thermoplastic polyurethane (TPU) and polycarbonate (PC) materials through injection moulding to create protective back covers for iPhone 11, 11 Pro, and 11 Pro Max models. Available in six solid colours including black, red, pink, dark blue, blue, and purple, the shell maintains the phone's original dimensions while providing scratch resistance and impact protection. The simple design covers the phone's back completely without interfering with daily use.

Features and Construction Quality

The shell's construction focuses on material properties and manufacturing precision to deliver consistent protection across all three iPhone 11 series models. Injection moulding ensures uniform thickness and colour application, while the TPU+PC composite balances flexibility with structural support.

Material Composition Design

Thermoplastic polyurethane (TPU) forms the inner layer that contacts the phone, providing flexibility to absorb minor impacts and maintain grip. Polycarbonate (PC) creates the outer shell structure, offering rigidity against scratches and maintaining shape integrity. The injection moulding process bonds these materials without seams or weak points, creating a single-piece construction that fits precisely to each phone model's contours.

Manufacturing Specifications

Injection moulding produces each shell with consistent 0.8-1.2mm thickness across all areas, maintaining the phone's original dimensions within 0.5mm tolerance. The process allows for six distinct solid colours without colour bleeding or inconsistencies between batches. Each shell undergoes quality checks for dimensional accuracy against iPhone 11 (6.1-inch), iPhone 11 Pro (5.8-inch), and iPhone 11 Pro Max (6.5-inch) specifications.

Durability Construction

The TPU material provides 15-20% elasticity to withstand minor drops without cracking, while the PC layer resists scratches from keys, coins, and other everyday items. The injection-moulded construction eliminates seams that could separate over time, and the materials maintain their properties between -10°C and 60°C temperatures. The shell's edges wrap slightly around phone corners for additional protection without interfering with screen protectors.

Practical Applications and Usage

This mobile phone shell serves as daily protection for iPhone 11 series devices in various environments, from professional settings to personal use. The simple design and solid colours work with different styles while maintaining functionality.

Professional Environment Use

In office or work environments, the shell protects against scratches from desk surfaces, bag compartments, and accidental bumps during meetings or commutes. The TPU+PC construction prevents damage from keys, pens, or other items in pockets or bags, while maintaining a professional appearance with solid colour options. The precise fit ensures the phone remains compatible with car mounts, wireless chargers, and other accessories without removal.

Everyday Personal Use

For daily activities, the shell provides a smooth tactile surface due to the TPU material's slight texture, offering secure grip during phone calls, messaging, and media consumption. The injection-moulded finish feels consistent across all colour options, with no rough edges or seams that could catch on clothing. The solid colours maintain their appearance without fading from regular handling or exposure to light.

Style Versatility OptionsProtection Benefits and Value

This mobile phone shell offers practical protection benefits through material properties and precise manufacturing, providing value through extended phone preservation and maintenance of original appearance.

Long-Term Value ProtectionUser Experience Satisfaction

Users experience confidence in daily handling knowing the shell provides consistent protection without adding bulk or interfering with phone functions. The peace of mind comes from the injection-moulded construction that won't separate or peel, and the precise fit that maintains access to all ports and buttons. The simple installation and removal process allows for cleaning or colour changes without difficulty.

Purchase Decision Factors

Choosing this shell provides specific protection for iPhone 11 series models with material properties verified through injection moulding and dimensional accuracy. The six colour options offer personalisation while maintaining protection standards, and the TPU+PC balance ensures both flexibility and rigidity where needed. For maintaining phone condition through daily use, this shell delivers measurable protection against common wear factors.