Introducing our 20oz Blue Glitter "I'm No Cactus Expert But I Know a Prick When I See One" custom tumbler. This double-wall, vacuum insulated tumbler is perfect for keeping your drinks at the perfect temperature on the go. It comes with a clear lid and clear straw for easy sipping and is BPA free for peace of mind. The handmade design features a sparkly blue glitter finish, and the hilarious saying "I'm No Cactus Expert But I Know a Prick When I See One" makes it a great choice for anyone with a sarcastic sense of humor. This tumbler would make a perfect gift for a friend who appreciates dark humor.