Top Plaza 6pcs/set Antique Silver Assorted Alloy Pizza Slice Key Chain Key Ring Key ring mateiral: iron. Pizza Slice Charm Material: Alloy. Friendship Keychains; Hand Bag Charms, Promise Gift. The antique silver pizza keychains can be taken as friendship pendants for necklace as well as key ring (key chain). Items shipped using USPS Standard Rate usually arrive in 6 to 14 business days, but occasionally may take longer. Package comes with a velvet bag printed with the logo "Top Plaza".