Type:Event & Party Supplies Occasion:Birthday Party Event & Party Item Type:Party Material:Foil Teatures:inflate helium to float, air balloons stick to decor. Gender:unisex Item type:Cartoon balloons Warning:inflate slow and careful in case of the over inflating Theme:birthday party decorations kids,wedding decoration Type:Inflatable balls Helium balloons Size SpongeBob:129cm*93cm Packing List:1Pcs Note: 1:Colour may little vary due to different display setting , pls understand. 2:There can be little differences by manual measurement.Size 129cm*93cm(before inflatable) Our size is flat size before inflate, after inflate, the size will little small than that. The balloons have self sealing valves. Once inflated the balloon will stay up for over a week. The balloons can be filled with helium to float or filled with air to attach to any surface. The balloon will come flat and need inflating after you receive it.The balloon sold without Helium