River Vacuum Flask Stem Bottle Leash RI-BT004

・Made by 304 stainless steel
・Long-lasting insulation and ice retention
・Double-layer lid design, prevent water drops from leaking out when tilted

Material: Stainless steel (Bottle) / Polypropylene (Lid, Plug)/ Silicone rubber (Lid, Plug)

Heat retention: ~ 73 °C (6 hr)
Cold insulation: ~ 7°C (6 hr)