Imprint Method: UNIMPRINTED - Here's an easy way to ensure your brand is always on their mind! Suited to accommodate your custom design, each brain is made of polyurethane and are manufactured and printed by hand. Placement of second imprint may not be centered. Factory is not responsible if imprint is not fully legible. Imprint will break and appear uneven due to the textured surface. This product is not a toy and is not safe for use by children under 3 or pets.