-Earring hooks are hypoallergenic stainless steel
-Charms are made out of heavy duty plastic (NOT shrink plastic). Waterproof and very durable. They have a glossy sheen to them and are scratch resistant. Image is only printed on the front
-Tommy- 1 3/4" by 1"
Phil and Lil- 1 1/2 by 1 3/4"