Premium Material: These tumblers come with BPA-free, convenient drink lid, made of food grade 304 stainless steel, which is environmentally friendly and has no peculiar smell. Hand wash recommended, don't put in dishwasher or microwave. Wash with water and scratch-free sponge. Do not use any chemicals (bleach, chlorine, etc.).Leak-proof Sliding Lids: The seal zone technology in the lids guarantees that each stainless steel tumbler is totally leak-proof and spill-proof. The BPA-FREE lid is designed with a slider on the top for easier using, you can drinking it directly without the lid or put your own straw in this straw friendly cups to enjoy smooth drinking.Double Wall Insulation: With double-walled vacuum insulation, these insulated cups can keep your favorite beverage at comfortable temperature for hours whatever cold or hot, depending on the outside temperature. Also, the top mouth is wide enough for refilling and inserting ice cubes or fruits.Widely Used: This tumbler is great for both outdoor and indoor use like working in the office, exercising, backyard barbecues, picnic, hiking adventure, RV tour, beach outing, by the lake, at the pool, fishing trip or in any daily activity. It can meets all your needs for hot or cold drinks, such as iced fruit teas, milkshake, champagne, smoothies, juices, cocktails, wine, coffee, tea, beer, soda water, ice cream, sodas, mixed hot or etc...Perfect Gifts: Every kayaker needs kayak accessories! A great gift idea for the kayaking lover. It's also a wonderful gift for Birthday, Christmas, Holiday, Mother's Day, Father's Day, Retirement, Graduation, Anniversary or Thanksgiving Day to show off your personalized taste. NVJUI JUFOPL 20oz Kayaking Tumbler with Lid, Kayak Gifts for Men Women, Stainless Steel Vacuum Insulated Travel Mug Water Bottle Iced Coffee Cup. Product performance: 1. The inner layer of the cup body is made of high-quality 304 stainless steel, which is environmentally friendly and has no peculiar smell.  2. The lid is made of PS and has good sealing performance. There are straight drink mouth and straw mouth, easy to use, can drink directly, also use a straw. 3. The cup has a certain insulating effect and can keep hot and cold for hours. Applicable scenarios: 1. Working in the office, cafes, exercising, backyard barbecues, picnic, hiking adventure, RV tour, beach outing, by the lake, at the pool, fishing trip or in any daily activity.  2. It can meets all your needs for hot or cold drinks, such as iced fruit teas, milkshake, champagne, smoothies, juices, cocktails, wine, coffee, tea, beer, soda water, ice cream, sodas, mixed hot or etc... Cafes, offices, cars, sports, households, etc.  3. It is easy to carry when going out. Washing Instructions: 1. Hand wash recommended, don't put in dishwasher or microwave. 2. Wash with water and scratch-free sponge. Do not use any chemicals cleaners (bleach, chlorine, etc.). Track Page Views WithAuctiva's Counter