I have used my waist pack now for a couple of months. The size is big enough to carry all the basic essentials you need for a walk, a hike, or a just a day away, all while leaving both hands free to carry packages or hold on to your dog's leash . The belt is secure and adjusts easily, and the fabric is light weight and very sturdy. The only criticism I have ( and it is a minor one ) is that the zipper on the large section of the bag is curved, and you may need two hands to open or close it all tSee full review