SRD:Antimagic Armor

Antimagic Armor
This +1 negating full plate armor of invulnerability is crafted of adamantine (and thus has damage reduction 3/–). The armor provides a –5 penalty on dispel checks made against it or its wearer.

Caster Level: 21st; Prerequisites: Craft Magic Arms and Armor, Craft Epic Magic Arms and Armor, greater dispel magic, stoneskin, wish or miracle; Market Price: 871,500 gp; Cost to Create: 436,500 gp + 18,700 XP.