Features: 1.Large capacity: Adopting upper and lower layered design, small body with large capacity and more hygienic separation. 2.Lightweight: Lightweight travelling, the whole bag weighs only 200g, reducing the burden of travelling. 3.Two-way slider: silver two-way slider, smooth and durable without rust. 4.Thermal insulation aluminium foil: Thermal insulation aluminium foil layer insulates and keeps cold, upgrades freshness and keeps freshness for a long time. Product name:Thermal bag Material: nylon Size:24cm*23cm*15cm Occasions: Office, Outdoor, Mummy Bag Package Included:1 x Thermal bag