A Cricket Ball made of rubber weighing 145 grams would typically be designed for recreational or training purposes, especially for use in practice sessions or casual games. Here are the features you might find in such a cricket ball:

1. Rubber Construction: The ball is made entirely of rubber, providing durability and resilience for repeated use on various playing surfaces.
2. 145 Grams Weight: This weight is standard for rubber cricket balls used in recreational play or training sessions. It offers a balance between ease of handling and providing a realistic feel for bowling and batting practice.
3. Red or White Color Options: Rubber cricket balls are often available in both red and white colors, mimicking the appearance of traditional leather cricket balls used in matches.
4. Seam Design: While the seam on rubber cricket balls may not be as prominent as that of leather balls, it still provides some grip for bowlers to generate spin and seam movement.
5. Suitable for Indoor and Outdoor Use: Rubber cricket balls can be used both indoors and outdoors, making them versatile for practice sessions in various settings.
6. Safe for Use in All Conditions: Rubber cricket balls are safe to use in all weather conditions, including wet or damp conditions where leather balls might be damaged.
7. Softness: Rubber cricket balls are softer than traditional leather balls, reducing the risk of injury during practice sessions, especially for younger players.
8. Cost-Effective: Rubber cricket balls are generally more affordable than leather balls, making them ideal for recreational players, schools, clubs, and training academies on a budget.
9. Durable: Rubber cricket balls are designed to withstand wear and tear, ensuring they last through many practice sessions without losing their shape or performance.
10. Versatility: Rubber cricket balls can be used for various cricket drills, including batting, bowling, catching, and fielding practice, making them a versatile training tool.
11. Easily Visible: The bright color of rubber cricket balls, whether red or white, ensures good visibility for players during practice sessions or casual games.

These features make cricket balls made of rubber weighing 145 grams suitable for recreational play, training sessions, and casual games, providing players with a safe, durable, and cost-effective option for practicing and enjoying the sport of cricket.