18/8 of the top of the food grade does not contain BPA: stainless steel food grade materials, both inside and outside, and the lid, do not contain BPA, chemicals or metallic taste, unique design outlet, whether can compatible with boiling water, or frozen, no matter which one do you want to temperature, temperature, it can give you want double vacuum cup can keep it for 12 hours or 24 hours.

Leakproof: Its high quality silicone ring ensures no leakage, no matter how you shake it. Even a five-year-old or an 80-year-old can open it easily.

Perfect size: Suitable for car and bike racks.

Small mouth: Small mouth drinking water gently avoid choking.

Applicable occasions: suitable for outdoor sports, work, beach, school, office, picnic, hot yoga, cycling, running, walking, fitness and other occasions to carry cold drinks or hot coffee.

http://www.pengshengflask.com/