Insulated beverage storage that stabilizes temperatures for medications and safely transports breast milk. Provides reliable insulation to maintain foods and drinks at an optimal temperature for 6-8 hours. Wide compatibility for daily use and on-the-go adventures. This portable bottle holder pairs style with practicality, ideal for commuting, leisure picnics, and camping or tent trips. Suitable for everyday activities and family outings. Removable and adjustable shoulder strap for versatile carrying. A wide, adjustable strap combined with a detachable option allows seamless switching between hand-held and over-the-shoulder carrying for comfortable mobility in daily use. Leak-proof and stable design. Leak-proof construction with an anti-spill/anti-tilt design ensures secure transport, minimizes heat loss, enhances insulation performance, and supports cold-storage with cooling packs without compromising handling. Use scenarios - Daily commute and lunchtime: keep beverages, medications, and snacks at a stable temperature during the workday or school day. - Family outings and picnics: convenient for storing drinks, baby bottles, or meals while keeping contents secure and spill-free. - Camping or travel: reliable insulation for longer trips, with the flexibility to switch between hand carry and shoulder carry and to accommodate cold-storage needs.