The inner workings is made from stainless steel and the outer shell is made from biodegradable bamboo
The double wall the cup to help keep your drinks hot/cold longer than single wall containers
The lid serves as a splash guard, which maximises insulation and keeps your drink protected from bugs and dirt (not with a perfect seal)
The Outwell Thermo Mug is not suitable for the dishwasher and must not be submerged in water
Gorgous French style ceramic in an attractive mix of materials. The interior is made of stainless steel and the outer shell made from bamboo. With lid can also be used as a splash guard, for a better thermal result and against insects and dirt in the drink (not 100% leak proof). The cup keeps your drink much longer hot/cold as single wall pieces. Do not use in dishwasher and diving.
Relags Outwell Thermobecher 'Bambus' Cup - B00R1FOIL4