Double Up Pump Pak's are great when you want to make sure that you have a test kit with you at all times or if you just need a spare pouch for money, candy etc. Double Up Pump Pak's allow you the convenience of carrying everything with you. The back part of the pak is a double zipper pak made to hold your pump, dual zipper gives you the freedom to open pak from either side. The front Pak is big enough to hold a small test kit. Our double up insulin pump cases are also great to use with sensors and other medical devices.