Bring kid-friendly fun to your Halloween celebrations with these 16-Count Stamps Party Favor from Hyde and EEK! Boutique™. Made of plastic, these stamps provide a playful dose of creepy spirit to your Halloween gatherings. Available in vibrant colors, the stamps feature pumpkins, ghosts, skulls, and cats designs, making them fun party favors for the kids.Hyde and EEK! Boutique™: Thrilling delights. Curious oddities.