WHAM-BAM Inflatable Bumper Ball, 4FT/1.2M Diameter, Bubble Soccer, Body Zorb DURABLE MATERIAL - 1.0mm PVC - Thicker and more durable than other brands on the market LARGE SIZE - 4 Feet in Diameter (1.2M) PORTABLE - Deflates and can be transported easily in the Wham Bam Carry Bag included or it can also be checked in luggage. COOLER - Clear/Transparent material keeps you cooler in direct sunlight and is easier to see through when playing sports QUICK INFLATION - 2-5 minute inflation time depending on air pump used.