Features: Easy to install: Just write your wishes and receiver's name on the Valentines Day cards kit and install it on the duck and send them to others, which are delicate and show your kindness. Practical and multipurpose: These rubber duck bulk and Valentine's Day cards for school can be regarded as class prizes, party rewards, Valentine's Day souvenirs and decorations, easily satisfying your different use needs. Specifications: Material: Duck: rubber Cards: cardstock Color: as pictures show Size: Duck: 2.17 x 1.97 x 1.77 inches/ 5.5 x 5 x 4.5 cm Card: 2.56 x 3.54 inches/ 6.5 x 9 cm Package includes: 28 x Mini rubber ducks 28 x Valentines cards 50 x Twist ties Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Suitable for people over 6 years old.