Listings and reviews show several tail-motion types: wagging tails often paired with sound, swishing tails activated by squeezing or pressing, weighted or beaded tails, and internal-bungee systems found in some larger plush.
Most listings list polyester for both bodies and tails. At least one product listing specifies PVC (polyvinyl chloride) for some parts.
Suggested ages vary by item; examples in the listings include "1 Year and Up," "2 Years and Up," and "3 Years and Up."