once you know your body measurements,consult the Size Chart on the product pages for actual item measurements to determine which size you should purchase.
General - Model: PLM09ZM - Material: Aluminum Alloy - Type: Portable Mobile Powers - Mainly Compatible With: Universal - Output: Single port:5V-2.4A, 9V-2A, 12V-1.5A + Dual ports: 5.1V-2.6A - Product Weight: 0.2250 kg - Package Weight: 0.3500 kg - Product Size (L * W * H): 14.78 x 7.39 x 1.53 cm / 5.82 x 2.91 x 0.6 inches - Package Size (L * W * H): 16.00 x 8.50 x 2.60 cm / 6.3 x 3.35 x 1.02 inches Package Contents - Power Bank: 1 - Cable: 1 - User Manual: 1