Karma Hardware

It seems like you're referring to door latches or locks for a bathroom door, possibly by a brand called "S&S Baby Latch." These are typically small latches installed on the inside of a bathroom door to prevent it from being opened from the outside, ensuring privacy and safety, especially when there are babies or small children around. 
Here's a general description:
1. **Size**: Available in 3-inch and 4-inch variants, indicating the length or height of the latch mechanism.  2. **Design**: The latch is designed to be easily operable from the inside, usually with a simple sliding mechanism or a push-button lock.
3. **Installation**: It's typically installed on the interior side of the door, allowing the door to be locked or latched securely from the inside. Installation usually involves screwing it into the door frame or surface.
4. **Material**: These latches are often made of durable materials like stainless steel or plastic, ensuring longevity and safety.
5. **Safety**: They're designed with safety in mind, ensuring that small children cannot easily unlock or open the door from the outside, preventing accidents or unwanted access.
It's always a good idea to refer to the specific product's instructions for installation and usage details, as they can vary depending on the brand and model.

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