The dimensions of the eBags Weekender eTech Convertible, according to the website, are 22 inches by 14 inches by 9 inches. A customer reviewer indicates a dimension of 20 inches by 12 inches. The bag has a 3,066-cubic-inch capacity.
The eBags Mother Lode TLS Weekender Convertible is identical in overall dimensions to the eTech. In addition, there's a laptop compartment that measures 19 inches by 11.75 inches by 1.5 inches. Its capacity is 3,299 cubic inches.
EBags.com carries brand-name bags that are similar to their own brands. The Rick Steves Convertible Carry-On bears a strong resemblance to the eBags.com versions. It is 21 inches by 14 inches by 9 inches. It is 44 linear inches compared to 45 linear inches for the two eBags versions.