Dimensions:20":20.5"*14"*9";26":26.5"*15"*10.5" ;30":30"*16"*14" -- Extended dimensions:30"*16"*16" Material:The Rolling Duffle Bag is made from PVC Leather,which is ensure that the bag is durable,waterproof,and withstand daily wear and tear. Large Capacity:This Luggage Bag have three sizes,for 20"/26"/30",It usually has a large main compartment that can hold a significant amount of items,making it ideal for travel,gym trips,or everyday use. Expand Space:the 30" lugggage can can expand 15% for more capacity. Special Design:Oversized Inline Wheels can make movement more convenient.ABS plastic bottom pad can effectively protect the luggage from wear and keep it clean.Side Handle can turn Rolling Duffle Bag into a handbag if necessary. Oversized Wheels:The Wheels ensure the luggage bag rolling stably and easily,and also shock-absorbing. Occasions:The Rolling Duffle Bag is a versatile accessory that can be used for various purpose.It can serve as a weekend bag,gym bag,carry-on luggage,or even a stylish everyday bag,Its simple yet stylish design makes it suitable for different occasions.