-Earring hooks are hypoallergenic stainless steel. Comes with a rubber backing
-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. The image is printed on the front. The back is white.
-Measurements:
Beetlejuice- 1.2" by 1.4"
Lydia- 1.2" by 1.4"