Global packaging provider Sonoco showcased its latest advancements in sustainable rigid metal packaging at Interpack 2026, introducing two distinct formats designed to displace plastic and multi-material structures.

The CapOnCan: A Mono-Material Resealable Solution

Designed as a direct alternative to traditional glass-and-metal jar combinations, the new CapOnCan features a fully metallic, mono-material construction. By pairing a standard metal body with a hermetically sealed, reclosable metal cap, the design optimizes end-of-life recycling.

Key Features & Advantages:

• Material Efficiency: Delivers a significantly lighter tare weight compared to glass jars, driving down logistics costs and carbon footprints across the supply chain.
• Economic Incentives: The single-material steel construction helps brands lower Extended Producer Responsibility (EPR) fees in regions with strict eco-modulation penalties.
• Consumer Convenience: Provides secure reclosure for refrigeration after opening, making it highly suited for bulk family-sized portions and the pet food sector.

AFNOR-Certified Microwaveable Metal Bowls

In a bid to capture share from conventional plastic ready-meal trays, Sonoco also unveiled a line of specialised metal bowls. The packaging has earned official microwave-safe certification from the Association Française de Normalisation (AFNOR).

This development allows ready-meal brands to maintain the high-barrier protection, long shelf life, and infinite recyclability of steel while meeting consumer demand for microwave convenience.