Bottles & cups:Type: thermos flaskFastener: keylockAdditional Information:very high insulating capacityWeight: 855 gSize: 27 x 12.1 cmwith stable folding handle and carrying strapwith two drinking beakersMaterial:Metal type: stainless steel double sidedIsolation type: silver-plated insideWater bottle:with integraded cup: yesSize:Volume: 1200 ml