Promote confidence and academic growth with 8 different encouraging, inspiring and instructional messages which include Great work, Very Good, Excellent, Great Effort and so on! Convenient carry tray keeps all 8 stamps together when not in use Dimensions — each stamp measures 2" W x 0.87" D x 2.5" H; tray measures 8" W x 2.25" D x 2.75" H. Each Stamp set auto re-inks and makes over 30,000 impressions for long-lasting use. Easily and quickly marks students' papers to note, congratulate, encourage and recognize assignments and also eliminates mess. This is a high-quality stamp set with premium oil-based ink, safe for kids. Stamps are acid-free and lignin-free, the stamp body Is made with sturdy materials, cut with the highest quality laser to ensure a sharp impression every time. Includes 8 stamps with a carrying organization tray. Each stamp is in a colorful assortment with a matching cap to keep the ink fresh and help prevent drying out. Different color options for a more unique custom stamp to suit you in red, pink, orange, green, blue & more! Great for grading homework, classroom prizes to use in the classroom or for art projects. With these Self Inking Stamps, you can motivate your students and kids in a bright and colorful way that makes learning fun and exciting!