Gatsby is a popular brand that offers a wide range of hair styling products, including hair sprays. The Gatsby Hair Spray you mentioned is a hair styling product that typically comes in a 250 ml (milliliter) spray bottle.

Hair sprays are used to hold hairstyles in place and provide a firm hold, allowing your hair to stay in the desired style for an extended period of time. Gatsby's hair sprays are known for their strong hold and versatility, making them a popular choice among those who want to achieve different hairstyles.

To use Gatsby Hair Spray, you typically hold the bottle at a distance from your hair, spray it evenly over your styled hair, and then allow it to dry. The result is a firm hold that helps keep your hair in place throughout the day or evening.

Please note that product availability and packaging may vary by location and over time, so it's a good idea to check the latest product offerings and packaging details from the Gatsby brand.