Advanced anti leak technology, scientifically designed strainer that helps eliminating powder lumps BPA free, 100 percent leak proof and highly durable.EFFECTIVENESS - Beverages are kept colder, hotter, and fresher longer with using a insulated bottle. Beverages are kept up to 6 hours hot and up to 12 hours cold..CONVENIENT - Leak Proof & Light-weight! Take with you on long hikes or trips to the grocery store. Drop in your bag or purse without worry of spills..SWEAT-FREE - Zero Condensation: Get rid of the puddles and trade in your current plastic water bottle for one that will provide the insulation you've longed for and get rid of the water left on your wooden office desk causing potential damage..RESISTANCE - Stain resistant and odor resistant - Enjoy 18.5 ounces of fresh crisp water every time after a long day of activity. Use for soups today and a carbonated drink tomorrow.