custom black rectangular injection molded lunch box

Custom black rectangular injection molded lunch box is part of our Square & Rectangular PP Food Containers line. The series-level introduction, specifications, applications and FAQ below apply to this model and its related sizes. Custom specifications, materials and branding are available for bulk orders.

Product Overview & Market Intent

Though designed for convenient single-use food service, the better thermal stability and durability of PP plastic allow for limited repeat usage, including home washing, refrigeration, and safe microwave reheating. Developed to serve modern food delivery networks, meal-prep operations, pre-made catering, and fresh retail displays, our Microwavable Rectangular PP Food Containers offer an efficient, leak-proof, and eco-friendly packaging solution. Injection-molded from premium food-grade Polypropylene (PP, Resin Identification Code #5), these square and rectangular food boxes come with tight-fitting snap lids that lock in freshness and prevent accidental spills during transit.

They serve as the principal packaging choice for global ghost kitchens, ready-to-eat meal factories, supermarket takeaway delis, and emergency food reserves looking for reliable, microwave-safe packaging. Made in our certified 100,000-Class Dust-Free Cleanroom Facility backed by over 20 years of manufacturing expertise; our rectangular PP containers range in capacity from 16oz up to 58oz. Featuring rounded anti-scratch corners and stackable rim structures, our single and multi-compartment configurations are fully compliant with international food contact standards.

Key Product Characteristics

Smooth Curved Corners & High Stacking Stability: Engineered with rounded arc edges to prevent sharp scratch hazards while enhancing vertical stacking rigidity during food delivery and shelf display.

Exceptional Hot & Cold Thermal Resistance: Formulated to withstand extreme temperature swings, making these containers safe for deep freezing as well as high-temperature microwave heating without cracking or melting.

Versatile Capacity & Compartment Range: Spanning from 16oz single-serving options up to 58oz family-sized bowls, available in 1-compartment and multi-compartment layouts to keep entrees and side dishes separated.

Clear Microwave-Safe & Food-Grade Markings: Molded with clear international compliance icons on the container base and lid, allowing global consumers to easily verify food safety and microwave usability.

Fresh PET Food & Supermarket Retail: Hygienic packaging suited for fresh raw PET food distribution, deli counter sales, postpartum recovery meals, and emergency food storage reserves. Commercial Applications & Scenarios Ready-to-Eat Meal & Ready Meal Manufacturing: Durable frozen and chill-stable containers designed for ready-meal factories requiring extended shelf life and microwave convenience. Corporate Catering & Event Coffee Breaks: Standardized, clean-presenting takeaway boxes for office lunches, conference snacks, and event catering. Transit & Aviation In-Flight Meal Packs: Compact, leak-proof food boxes tailored for transport logistics, train meal sets, and airline catering services.

Technical Specifications

Technical Detail & Food Standard: Product Line Categories

Rectangular PP Containers / Microwavable Meal Prep Boxes / Single & Multi-Cavity Bento Packs: Raw Material Formulation

100% Food-Grade Polypropylene (PP, Plastics Recycling Code #5): Capacity Gradient Range

16oz, 24oz, 32oz, 38oz, 48oz, up to 58oz (Single & Multi-Cavity Models): Dimension Calibration

Main Lengths: 20.2cm, 22.1cm, 22.3cm, 22.9cm, 28.6cm (Heights: 4.0cm – 6.6cm)

Temperature Tolerance: Suitable for Freezer Cold Storage and Direct Microwave Reheating

Color & Aesthetics: Classic Sleek Black Container Body with High-Clarity Transparent Snap Lid

Facility Certification: ISO 9001, FDA Food Contact Approved, EU Food-Grade Compliant, 100K Cleanroom

Global Industrial Case Study

The Client: A regional food distributor building a private-label range.

The Challenge: The customer needed consistent quality across a multi-size range without holding separate tooling for each size.

Our Solution: We designed the range around a shared rim dimension so lids interchange across sizes, and matched the colour to the customer’s brand standard.

The Outcome: The customer launched the range with a single lid part, cut its stock holding, and now orders the full size spread on one schedule.

B2B Frequently Asked Questions

Q1: How is black rectangular injection packed for bulk export?

A: Units are nested and bagged in food-grade liners, then palletised to your container specification. Nesting keeps freight volume down and protects the rims in transit.

Q2: Is black rectangular injection microwave and freezer safe?

A: Yes. The formulation is rated from freezer temperatures through to microwave reheating, which removes the need to transfer food between containers.

Q3: What are the minimum order quantities for black rectangular injection?

A: MOQ depends on whether an existing mould suits your specification. Where it does, we can start from a modest trial order; where new tooling is needed, the MOQ reflects the tooling investment. Send your spec and we will confirm.

Q4: Does black rectangular injection carry a migration statement?

A: Yes. Migration data is part of the compliance file and is issued per material grade, so the document set covers every batch we ship on that specification.