This is one drinkig type water bottle, the materior is 304 inner and 201 exterior. It can keep drinks hot 12 hours and cold 24 hours. It is suitable for sport, school, hikking, and it can use for beverage, milk,and coffee. OEM is accept, no matter what logo do you have,we all can give you the best craft to choose and make your logo best. Logo Craft have Lasering, Silk Screen,Heat transfer and so on. Surface craft have Spray paint, it is including glossy finish,matte finish,crackle finish,or gradule chang colors. Water transfer printing, Gas transfer printing,Heat transfer printing,3D printing and so on. Quality is no problem and delivery time is can promise, just for give you best service.