Pack for reusable beverage bottles; carrier for personal items specially adapted for carrying reusable beverage bottles; multiple-pocketed carrier adapted for carrying reusable beverage bottles; bags having adjustable capacity for carrying beverage bottles of varying sizes; refillable beverage bottle carriers; insulated beverage bottles; beverage bottles adapted to fit in specialty packs, bags, and carriers; packs, bags, and carriers having removable linings and adjustable straps