3 compartment black injection plastic bento box

3 compartment black injection plastic bento 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

For 3 compartment black in self-heating meal kits, 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. Though designed for convenient single-use food service, the stronger thermal stability and durability of PP plastic allow for limited repeat usage, including home washing, refrigeration, and safe microwave reheating. Built for 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.

For 3 compartment black in self-heating meal kits, featuring rounded anti-scratch corners and stackable rim structures, our single and multi-compartment configurations are fully compliant with international food contact standards. They serve as the leading packaging choice for global ghost kitchens, ready-to-eat meal factories, supermarket takeaway delis, and emergency food reserves looking for reliable, microwave-safe packaging. Produced 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.

Key Product Characteristics

For 3 compartment black in self-heating meal kits, 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.

For 3 compartment black in self-heating meal kits, 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. 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.

Technical Specifications

Technical Detail & Food Standard: Product Line Categories

For 3 compartment black in self-heating meal kits, 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: An industrial buyer consolidating packaging across several production sites.

The Challenge: Each site had sourced packaging locally, so specifications, quality and lead times varied and the customer had no single point of accountability.

Our Solution: We took the specification over as a single programme, standardised the material and tolerance bands, and set up one schedule serving all sites.

The Outcome: Quality variation between sites disappeared, the customer gained a single contact for the programme, and the consolidated volume improved the landed price.

B2B Frequently Asked Questions

Q1: How does 3 compartment black manage the heat from a self-heating pack?

A: The base is thickened and the wall profiled so the exothermic reaction in the heating pack does not distort the container or transfer a hot spot to the outside face.

Q2: Is 3 compartment black safe to hand to a consumer straight after activation?

A: The outer wall stays within a comfortable handling range while the food chamber reaches serving temperature, which is the point of separating the two volumes.

Q3: What formats does 3 compartment black come in for ready-meal kits?

A: The range covers single and multi-compartment layouts so a full meal can be assembled and heated as one unit rather than as separate packs.

Q4: What lead time should we plan for on 3 compartment black?

A: Lead time runs from sample approval. Where an existing mould suits the specification the run follows quickly; where new tooling is needed, we schedule it into the next available slot and confirm the date in writing.