Using this Hydro Flask cooler cup is a breeze. If you want to use it as a can or bottle cooler, just place the can or bottle into the cup with the flexible collar on top. It will fit most standard - sized cans and bottles. To use it as a beverage cup, take the flexible collar off and place it at the bottom of the cup. Your drinks will stay cold for hours due to the great insulation. When it comes to maintenance, you can simply wash it with mild dish soap and warm water. Avoid using abrasive cleaners as they might damage the stainless - steel finish or the TPU sleeve. Also, make sure to dry it thoroughly after washing to prevent any rusting. This product is BPA - free and Phthalate - free, so you can use it with confidence.
