Design Concealed zip: the main compartment zip fits the body, avoiding pickpockets to steal. RFID shielding layer: built-in anti-theft chip protection to prevent bank cards and ID cards from being electronically stolen. Highly elastic waistband: the waist can be adjusted to 120cm+, fit the curve of the abdomen, and say goodbye to the discomfort of strangulation! Ergonomic Arc: Breathable mesh + memory foam padding on the back panel, no stuffy sweat on the back for a long time. 3D three-dimensional printing: potbelly pattern realistic and interesting, with simple design, low-key with a sense of humour. 600D Oxford fabric, splash-proof and tear-resistant, worry-free travelling in rainy days. Applicable people Commuters: mobile phones, keys, cards in one bag, anti-theft design makes commuting more secure. Outdoor party: free your hands when hiking, cycling, waterproof and wear-resistant fabric to deal with complex environments. Travellers: passport, cash, small objects, partition storage, anti-theft function to protect valuables. Humourist: The potbelly pattern breaks the dullness and shows individual attitude.