For seasonal insulated lunch bags, start arranging transportation while the artwork is under review. Once the design is approved, allow 15 to 25 days for production, then choose a shipping option that fits the destination, order size, and required arrival date. Sea freight needs the most lead time, rail to Europe typically takes 18 to 22 days, air freight takes around 5 to 7 working days door-to-door, and express courier generally takes 3 to 5 business days.
\nManufacturing and freight are separate parts of the schedule, so account for both when setting a seasonal launch date. Sample preparation usually takes 3 to 5 working days. For a standard order, the 15 to 25 day production period begins only after the artwork is signed off. Starting freight discussions during approval helps avoid delays once the final specification is confirmed.
\nBefore releasing an order, settle the bag dimensions, insulation core, closure, and print details. This is particularly important for seasonal grocery, cold-chain, and takeaway programs, where product features may include foil laminate, EPE foam, food-grade PE, a flat seal, or a slider zip.
\nA square-bottom lunch bag can be made with an aluminium foil laminate exterior, 2-5 mm of closed-cell EPE foam, and a food-grade PE layer on the inside. Side gussets and a folded base panel create a stable square base, with depths of 10, 12, or 15 cm. Available dimensions range from 30 x 35 x 10 cm to 45 x 50 x 15 cm, and custom Pantone printing can be applied to the front, back, and both side gussets.
\nThe firm flat bottom helps keep food containers level during takeaway and delivery. For grocery or cold-chain last-mile use, the design can also incorporate a separate gel-pack sleeve and a waterproof inner membrane. These choices influence the finished product and should be approved before production and shipping are confirmed
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