Spongebob Squarepants Adjustable Dog Seat Belt & Bandana (Brand New) The Spongebob Squarepants Adjustable Dog Seat Belt & Bandana is a high-quality product from Best Brands, perfect for keeping your furry friend safe and secure during car rides. Made of 100% polyester, this seat belt features an adjustable design and a seatbelt attachment for easy installation. Suitable for both male and female dogs, this unisex accessory combines style with functionality to provide a comfortable and safe travel experience for your beloved pet.