Leather Business Card Holder with Snap

**Option 1 (Most concise):**

> Holds up to 50 business cards with an exterior slot and button clasp.

**Option 2 (Slightly more detail):**

> Features an exterior card slot and button clasp, capable of holding up to 50 business cards.

**Option 3 (Focus on function):**

> A business card holder with an exterior slot and button clasp, accommodating up to 50 cards.