Description The lunch box is made of food- grade stainless steel and PP, which is and safe to use. Good leak- proof performance and handle, convenient to carry. Large- capacity effective preservation function, very practical.600ml Haers food flask & 500ml HAERS water flask set Features - Material: Stainless steel; PP. Package Including 1 x 600ml Haers food flask1x 500ml Haers water flask comes with a double wall vacuum insulation for maximum temperature retention, whether hot or cold Description The lunch box is made of food- grade stainless steel and PP, which is and safe to use. Good leak- proof performance and handle, convenient to carry. Large- capacity effective preservation function, very practical. Features - Material: Stainless steel; PP. Package Including 1 x 600ml Haers food flask1x 500ml Haers water flaskcomes with a double wall vacuum insulation for maximum temperature retention, whether hot or cold Description500ml water flask The lunch box is made of food- grade stainless steel and PP, which is and safe to use. Good leak- proof performance and handle, convenient to carry. Large- capacity effective preservation function, very practical. Features - Material: Stainless steel; PP. Package Including 1 x 600ml Haers food flask/500 water flask Description The lunch box is made of food- grade stainless steel and PP, which is and safe to use. Good leak- proof performance and handle, convenient to carry. Large- capacity effective preservation function, very practical. Features - Material: Stainless steel; PP. Package Including 1 x 600ml Haers food flask/500 water flask