Some may see a bunch of clear disc ornaments. But to a crafty mind like yours, you see smiling snowmen faces, pretty ornaments filled with glitter and beachy-keen disc terrariums with shells inside. A great addition to DIY supplies, the options are endless with these simple yet stunning ornaments. You can even host a craft party and invite little ones to make ornaments they'll gift to loved ones. Don't worry, they're made of durable plastic that won't easily shatter because it's never too early to start developing that creative spirit! Plastic. (2 dozen per unit) 3 1/2" x 1 1/2" The back is not flat.