Multipurpose vacuum flask for Hot & Cold Drinks. This flask has unique double vacuum insulation design with a vacuum-seal cap to maintain the temperature inside flask (hot, cold, or normal) for long time. It is very durable. Lightweight and so very easy to carry. Can be kept in hand bag or back pack easily. In-built strainer for infused water and tea with loose leaves. Its anti-skid pad will a perfect grip and it is shock absorbent. Technical Details