Colorado State Rams 4-Inch Laser Cut Alumni Vinyl Decal Sticker Feature a durable, locking lid to minimize spills Made of high quality ceramic Great for on the go! Holds up to 12 oz These double walled ceramic tumblers are perfect for keeping your drinks warm! They feature a durable, locking lid to minimize spills. Great for enjoying your coffee or other hot beverage on the go. Holds up to 12 oz.