Product parameters
Capacity: 420ml/620ml
Material: SUS304+PP shell
Specifications: 2 lunch boxes / 4 lunch boxes
Insulation technology: foam multi-layer insulation
Scene: office, picnic, student, visit

Features:
1. With thermal insulation bag, thermal insulation pearl cotton, thermal insulation aluminum mold, high-density oxford cloth, portable handle, double zipper, heat-locking tin foil layer.
2. The inner wall is free of oil, easy to clean, independently sealed to prevent odor, and designed with ventilation holes.