The pack of Flashing Smile and Whistle Key Chains contain 12 units. Each key chain is 2 1/4 inches tall and includes a cute smiley face design. When you flip the switch on the key chain, the smiley face starts to flash.

These key chains serve as both whistles and fun accessories with the added feature of the flashing smiley face. The whistle functionality can be useful for attracting attention or calling out in various situations. The cute design and flashing lights make these key chains appealing to kids and those who enjoy novelty items.

The flashing smiley face is likely powered by a small battery or LED lights inside the key chain. It creates a visually appealing effect and can be entertaining, especially in low-light or dark environments.

This pack of key chains is great for party favors, giveaways, or small gifts for events, celebrations, and gatherings. Additionally, they can be used practically as key holders, which makes them not only fun but also functional for everyday use.

Overall, these Flashing Smile and Whistle Key Chains are designed to be playful, attractive, and functional accessories suitable for a wide range of purposes and age groups.