This product is a vintage lot of 4 Callaway golf club head covers, featuring the Great Big Bertha and Bear models. Made of acrylic material in black, red, and grey colors, these driver head covers are designed for golf enthusiasts who want to protect and style their clubs. Callaway is a well-known brand in the golf industry, known for producing high-quality equipment and accessories. Perfect for golfers looking to add a touch of nostalgia to their collection.