• This MAMMOTH mug offers all the best features in one item! • It is a double-wall construction made of food grade stainless steel. • Its large handle provides an easy way to grip, hold or carry your mug whether you are taking a sip or on the go. • The 40 oz capacity allows you to easily keep track of your hydration and spend less time on those annoying refills. • The insulated construction means; it will keep liquid cold for 36 hours and hot for over 2.5 hours. • The MAMMOTH was created with all of your favorite elevated features in mind. • Each item includes our famous leak resistant slide lock lid and straw packaged nicely into a retail ready gift box. • This item is perfect for health and hydration initiatives, tailgates, construction, transportation, client giveaway and so much more. • Make this a kit ask us how to include a ROMANCECARD note to say thank you, happy holidays and welcome • or turn this 40oz mug into a kit by stuffing it with other fan favorites like sunglasses or golf tees. • Hand wash recommended and not intended for microwave use • Rush Production 24 HR - 288 72 HR - 504