【DOUBLE WALL VACUUM DESIGN】We applied double-wall insulation technology to help retain hot and cold liquid temperatures, come with BPA-fee silicone-sealed lid that prevent liquid splashing, which makes our dad tumbler keeps drinks hot for 6 hours & cold for 12 hours, also great for coffee, cola, beer, juice, tea, ice cream, cocktails and more.

【BPA FREE AND STURDY】These 20 oz tumblers made of food grade premium 18/8 stainless steel are sturdy, unbreakable, sweat proof, rust resistant and perfect for backyard barbecues, hanging out at the pool, or enjoying a hot day at the beach with friends.

【PORTABLE TRAVEL TUMBLER】This Father's Day insulated tumbler is suitable for most cup holders.

Your father can take it anywhere, from work to various outdoor activities.