The best cleaning kit for 9mm and other firearms typically includes the following components:

1. Rod and Brushes: A cleaning rod with various brushes (brass and nylon) to fit different calibers.
2. Patches: Cotton or microfiber patches for effective cleaning of the bore.
3. Solvents and Oils: High-quality gun cleaning solvent and lubricant to remove fouling and protect against rust.
4. Jag and Adapter: A jag for pushing patches through the barrel and an adapter for different calibers.
5. Pick and Scraper Tools: For cleaning hard-to-reach areas and removing carbon buildup.
6. Case and Organization: A sturdy case to keep everything organized and portable.

Popular brands like Hoppe's, Otis, and Wheeler offer comprehensive kits suitable for various firearms.

Recommend for specific best cleaning Kit for 9mm 

Here are some top-rated cleaning kits specifically for 9mm firearms:

1. Hoppe's 9 Deluxe Cleaning Kit:

   Includes cleaning rod, brushes, patches, and solvent.Versatile for multiple calibers, including 9mm.

2. Otis Technology All-In-One Cleaning System:

   Compact and portable, ideal for field use.Includes bore brushes, patches, and a variety of cleaning tools.

3. Real Avid Gun Boss Pro Cleaning Kit:

   Comprehensive kit with a cleaning rod, jags, brushes, and patches.Includes a hard case for easy transport.

4. Birchwood Casey Gun Cleaning Kit:

   Features a selection of brushes, patches, and oils.Good quality at an affordable price point.

5. Pro-Shot 9mm Universal Cleaning Kit:

   Specifically designed for 9mm firearms.Includes rods, brushes, jags, and patches.

These kits offer a range of features to keep your 9mm firearm clean and well-maintained.