Great creativity!Round stamp size: 3. 2 cm Print size: approx. 2. 8 cm Current production time for custom stamps: up to 7 days These premium stamps are pre inked and will produce hundreds of crisp, clear prints. All stamps can be refilled with ink, making them a lifetime investment! The turquoise handles are designed to be ergonomic and will fit comfortably in the palm of your hand, so you can stamp your feedback onto your students' work easily and efficiently!