CALENDAR NUMBERS STAMPS: These clear stamps are beautifully designed and feature calendar numbers. The stamps have smooth lines and clear graphics. SIZE: calendar clear stamp about 4.33inch (11cm) wide, 6.3inch (16cm) long, 0.12inch (0.3cm) thick. SAFE SILICONE: The clear stamp is made of high-quality silicone material, tasteless and safety. Healthy and environmental. Easy to use and clean, can be used repeatedly after cleaning. EASY TO USE: Simply put this reusable on an acrylic block (not included), apply ink and press the stamp to the paper or card, then let them air-dry, finally an exquisite work is accomplished. WIDELY USEAGE: Suitable for DIY delicate handcraft gift for your friends, families. You can decorate your gift cards, mailing envelopes, boxes, tags, diaries,scrapbooks, photo albums, handmade crafts, retail packaging and more, to express precious meaning and show your creativity. A unique gift for mother's day, birthday, Valentine's day, Anniversary, Easter, Teacher's Day, graduation, Halloween, Christmas, thanksgiving and theme party.