500ml stainless steel vacuum cup/mugs/flask thermos

Description

It is made of stainless steel,Food-grade PP lid.and leak-proof protection Silicon ring.Which is Eco-Friendly.There is no leak & easy open twist top and keep fresh, Light,durable,easy to carry,.Reusable 100% recyclable. Non-leaching and toxin-free.Use for : sports, gift,welfare and so on advertisement sales promotion best choice.Your custom logo is welcome.