fang teeth

No. Product details indicate "Battery: No Battery Used," so these fangs and grills do not require batteries.

Grills are described as copper, while costume fangs are described as plastic.

Grills are described as adjustable and easy to install or remove for a personalized, snug fit. Some costume fangs use moldable pellets that are heated in hot water and pressed over your teeth to create a custom fit.

Yes — at least one plastic fang pack is described as glow-in-the-dark. That pack includes 12 pretend fangs, is noted as fitting adults and kids, and is made from tested, non-toxic materials.

Durability varies by product: grills are described as made of durable copper and easy to install/remove, while some plastic fangs are described as made from high-quality plastic intended to last through repeated uses.

Most listings describe the fit as snug or comfortable but do not give exact measurements. One plastic fang pack lists overall dimensions of 2.0 inches (H) x 3.0 inches (W).