✅ Prevents Accidental or Intentional Unbuckling – Blocks access to the seat belt release button, helping keep children securely buckled. 🔒 Secure and Easy to Install – Snaps over the buckle in seconds and stays firmly in place during use. 🧠 Designed for Special Needs Use – Ideal for children who may unbuckle themselves due to cognitive, behavioral, or developmental conditions. 🇺🇸 Proudly Made in the USA – Durable, high-quality construction, molded and tested in-house. 🔁 Reusable and Transferable – Can be moved between compatible car seats of the same make and model. 🔑 Includes 1 Plastic Key – Each guard comes with one matching plastic release key. (Any similar item may be used if additional keys are needed.) Our most widely used model, the Graco Common Buckle Boss, fits a large number of Graco car seats and is also frequently compatible with other brands. Graco is known to supply buckles to several manufacturers, so this guard may work with non-Graco seats that use similar harness buckles. While many customers have successfully used this model across various brands, we cannot guarantee compatibility. Please compare your buckle style to the product images before ordering. Includes 1 plastic key for removal. Ideal for preventing unbuckling in special needs transportation scenarios.