Most are made from silicone; many listings specify food‑grade or medical‑grade silicone. At least one set notes a blend containing 20% food‑grade recycled silicone.
Age guidance varies by product: some list newborn or 0 months and up, many list 3 months and up (including 3–12 months), and a few list 6 months or 0–18 months.
Some sets include extras such as a cleaning brush for hard‑to‑reach areas and a travel/wash bag; a few designs also feature removable inserts or multiple pieces to offer varied chewing surfaces.
Pack sizes vary: many teethers are sold as single pieces, while others come in 2‑, 3‑, or 4‑piece sets.
