The Backpack Designed by a Mom for Pediatric Blina Treatment​. As a mom to a one and a half-year-old diagnosed with B-Cell Acute Lymphoblastic Leukemia, I knew we needed something more than just a medical bag. We needed a backpack that could become part of my son’s daily life—a solution that was comfortable, lightweight, supportive, durable, and, most importantly, kid-friendly. Parkers Pak was born from the need to make his Blina treatment easier, more manageable, and less intrusive. It’s designed to fit seamlessly into his world while providing the essential support and functionality we needed for his long-term infusion therapy.​ With a focus on comfort, durability, and ease of use, Parkers Pak is more than just a Blina carrier—it’s a practical, kid-approved solution for families navigating all treatment types.