Thermal insulation effect up to 12 hours, layers of warmth, and reduces heat loss. Portable sling lengthened comfortable rope, convenient, easy to lift, out of the hand. Fashionable and convenient at any time to enjoy a relaxing time, comfortable grip, wear-resistant and drop-resistant. 304 stainless steel liner, high standards, layers of care for health. Sealed and convenient 360 ° all-around protection, any inverted shaking does not leak. The convex cup bottom, the bottom of the non-slip design, is wear-resistant and fall-proof. Simple shape, lightweight and no burden, ergonomic design, one hand can hold, can save time, easy and convenient travel. Customized exclusive logo, suitable for business gifts, party gifts, company activities to commemorate, employee benefits, and other purposes.