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Rotomolded Insulated Cooler Boxes

Heavy-duty, seamless cooler boxes with up to 7 days of ice retention and no assembly joints to fail.

Rotomolded Insulated Cooler Box
Insulated Products

Rotomolded Insulated Cooler Box

Built using rotational molding with double-wall construction and injected polyurethane foam insulation, our coolers deliver superior ice retention of up to 5–7 days. Unlike injection-molded coolers assembled from two halves, our rotomolded coolers are formed as a single seamless shell — no bond lines, no weld seams.

Shell MaterialLLDPE — food-safe, UV-stabilized
InsulationInjected PU foam, 50–70 mm thickness
Wall Thickness18–25 mm total (shell + foam core)
Capacity Range20L · 35L · 50L · 75L · 100L · 150L (custom)
Ice Retention5–7 days at 30°C ambient
ColorsCustom color matching — RAL or Pantone
MOQ50 units (samples available)
Lead TimeTooling 4–6 weeks · Production 3–4 weeks
  • Seamless single-piece shell — no joints to crack, leak, or fail under impact
  • Thick, uniform walls for superior insulation vs. injection-molded alternatives
  • Custom branding: embossed logos, custom colors, printed lids
  • Bear-resistant certification achievable with appropriate latch hardware
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sales@lubanrotomold.com+86 158 1761 1067