Description
Buckle Boss® for IMMI Star Series
The Buckle Boss® for IMMI Star Series is designed specifically for car seats that use an IMMI Star–style 5-point harness buckle. This model helps prevent children from unbuckling themselves while remaining quick and easy for an adult to remove when needed.
IMMI Star buckles have a wider, distinctive shape that differs from many other harness buckles. Because of this, generic or universal buckle covers often don’t fit correctly. This Buckle Boss model was developed to match the exact geometry of the IMMI Star series buckle for a secure, reliable fit.
How It Works
The Buckle Boss installs over the center harness buckle, blocking direct access to the release button. Adults can remove it easily using the included removal keys or any thin object that fits the release slot, while children are prevented from pressing the buckle themselves.
Designed for IMMI Star Buckles
This model is purpose-built for IMMI Star series buckles used in select 5-point harness car seats. By focusing on a single buckle family, the Buckle Boss stays properly aligned and seated without interfering with normal harness operation.
Key Features
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Designed exclusively for IMMI Star series harness buckles
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Helps prevent child-initiated unbuckling
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Installs and removes in seconds
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Durable, lightweight construction
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Does not interfere with proper harness function
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Made in the USA
Compatibility
Compatible with car seats equipped with an IMMI Star–style 5-point harness buckle.
⚠️ Important:
Car seat manufacturers may use different buckle styles across models and production years. Always confirm your buckle style before ordering. If you’re unsure, contact us with a photo of your buckle and we’ll help identify the correct model.
Please Note
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Buckle Boss products are not affiliated with or endorsed by any car seat manufacturer
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Always use car seats according to the manufacturer’s instructions
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Adult supervision is required at all times



