Polyester,Cotton What's included: Hat x 1，Scarf x 1，HAPPY BIRTHDAY Banner x 1，Dogs Banner x 1，Light blue 12” balloon x 10，Dark blue 10” balloon x 10，White balloon x 10，WOOF balloon x 1，Star balloon x 2，Ribbon x 1，Balloon knotter x 1，Balloon pump x 1 The party balloon set is perfect for pets' birthday party, giving a happy birthday to your pets. Scarf made from soft and washable polyester cotton fabric. The hat is pressure-resistant fabric that does not deform easily. Scarf-17.3 x 26.8inch. Hat-4.7 x 3.5inch. This supplies pack is including a very special set of aluminum Balloon in the letter shape of WOOF. This set of balloon could make your party become much more interesting. With our birthday party supplies, you can definitely make your pet have a happy, enjoyable and satisfying birthday party and make your pet the focus of your birthday party.