niceeshop(TM) Silicone Pet Expandable Collapsible Travel Bowl Made from durable non-porous silicone and dishwasher safe The bowl's upper diameter:13cm/5.1inches; The bowl's bottom diameter:9cm/3.5inches Unfold Height:5.5cm/2.2inches; Fold Height:appr.1cm/0.4inches Mini size design,easy to carry, great for travel, parks and walks