keep warm lunch box 1. 50,000sq. factory, 2000 staff 2. ... 3. Food safty PP material, ISO9001:2008 4. OEM keep warm lunch box, food warmer lunch boxItem No.ColorSpecNameMaterialSPQPackingCarton SizeG.W ... 1213.3Factory direct sale! ! Any design, size, color and logo can be customized! Our customer: P&G, Amway, NUTRILITE, China ... you in the near future for joint cooperation. plastic keep warm lunch box