Made of Heavy-duty Thick Vinyl with PVC. Its Easy to Inflate Using an Air Pump or Even Just Your Breath. Enjoy Endless Fun with Our Pool Rafts for Childrens in Bulk, Whether Swimming or for Party Decorations. Its Compact So You Can Eastily Folding Up & & Pack It in Your Beach Bag or Suitcase When You Travel for Vacations. the Inflated Size From End to End is 30 Inches, with an Inner Diameter of 13 Inches, Suitable for Childrens Ages 8-12, Teens, & Most Smaller Sized Adults. Our Swimming Pool Floating Style is Suitable for Boys & Girls.