Abstract: The present invention discloses a luggage with spinner wheels, comprises a luggage body, a spinner wheel is provided on each of the four corners at the bottom of the luggage body, the four spinner wheels mounted at the bottom of the luggage body include single spinner wheels and dual spinner wheels, wherein two of the spinner wheels located at the front side of the bottom of the luggage body are single spinner wheels, and the other two of the spinner wheels located at the rear side of the bottom of the luggage body are dual spinner wheels. The luggage according to the present invention incorporates the single spinner wheels and the dual spinner wheels, making the luggage stable and turn agilely in movement with less quantity of dual spinner wheels, which reduces the manufacturing cost of such luggage wheels, not only remaining the quality of the luggage in usage, but also reducing the manufacturing cost, thus suitable for bulk production and marketing.

Abstract: A waterproof device with small thickness, light weight, simple structure and small influence on heat radiation for an electronic product is disclosed. The waterproof device includes: a panel with one side of the panel attached closely to one surface of the electronic product, and with a peripheral opening groove; and a silicone sleeve attached closely to the other surfaces of the electronic product, wherein the silicone sleeve has an opening extending towards a contact surface between the electronic product and the panel, and a flange of the opening of the silicone sleeve is embedded into the peripheral opening groove of the panel. The waterproof device greatly reduces the usage of panel materials and effectively reduces the thickness, weight and cost of the products by setting the combination of a silicone sleeve and a panel. The waterproof device forms an internal closed cavity to accommodate the electronic product which needs waterproof.