Made of heavy-duty nylon. Thick padding sandwiched between layers of material, which helps keep the diabetic supplies in good condition. Two zippered pockets on top for storing lancets, testing strips, wipes and other diabetic testing accessories. A flap in the middle has 2 pockets and slots to store lancing device and insulin pens.(Please note this bag doesn't keep pens cool.) Two removable storage pouches in the bottom are used to store blood glucose meters and glucose pills. (The pouches are fastened by adhesive straps, which make them stable.) Compact Size: 8.9" x 5.5" x 1.75". Also comes with a detachable hand strap for convenience. Good for daily use or keeping in the backpack on vacation.