316 stainless steel multi-layer microwave oven thermal lunch box set with lid round soup bowl student portable lunch box cross-border 316不锈钢多层微波炉保温餐盒套装带盖圆形汤碗学生便携饭盒跨境

single-layer small size [400ml/304 stainless steel liner] single-layer large size [600 ml/304 stainless steel liner] double rounds thermal bag [400 ml +600ml * 304 inner liner] 3-layer tape thermal bag [400ml*2 + 600ml * 304 liner] four-layer thermal bag [400ml*2 + 600ml*2, 304 stainless steel liner] single-layer small size [400 ml/316 stainless steel liner] single-layer large size [600 ml/316 stainless steel liner] double rounds thermal bag [400 ml +600ml * 316 inner liner] 3-layer tape thermal bag [400ml*2+600ml*3 with 16 inner liners] four-layer thermal bag [400 ml × 2+600ml × 2, 316‑grade inner liner]

elegant white