Product Details + Features: SKU SOTO SOD-520 Material 350ml cup: Stainless steel 400ml cup: Titanium Weight Total: 182g 350ml Stainless steel cup: 80g 400ml Titanium cup: 50g Dimensions 350ml Stainless steel cup: 9.8cm (H) x 8.4cm(D) 400ml Titanium cup: 9.4cm (H) x 8.5cm(D) Content Includes 350ml Stainless steel cup x1 400ml Titanium cup x1 Lid for cups (for both 350ml & 400ml) x1 Cup holder x1 Storage mesh bag x1 Highlights New product released in 2018 350ml Stainless steel cup and 400ml Titanium cup are stackable and are double-walled to provide optimal heat insulation and prevent heat loss 350ml Stainless steel cup and 400ml Titanium cup can also be used separately 350ml Stainless steel cup and 400ml Titanium cup can be put on flame directly, with holder so you would not get burnt handling it