The Thirsty is the taller version at 7 inches  and 3.75 inches wide. This stem bag will fit your 500ml, 700ml, and even a Nalgene close by! You have various customization options from pockets, to regular and one-handed cordlocks and different colour variations
 
All bags come with the ncessary velcro, buckles, and straps
 
Visit the materials page for details on colours