It gives you comfort with a moulded comfort handle and convenience with a removable splashproof bag, weather-shield flap and drawstring bag. It gives you plenty of space with an 82L capcity then when you're not using it the space saving design allows you to fold it flat.
eBay
Build to Last: The bracket is made of aluminum with an oxidation process, corrosion resistance, and high hardness. The cloth pocket made of Oxford cloth is strong and wear-resistant, ensuring a long service life.
eBay
eBay
Vacation Travel Brochure Sandia Peak Albuquerque Full Fold Out Tram Skiing
eBay
Stands 31” (79cm) high including handle. By 14” (35.5cm) wide.
eBay
eBay
Build to Last: The bracket is made of aluminum with an oxidation process, corrosion resistance, and high hardness. The cloth pocket made of Oxford cloth is strong and wear-resistant, ensuring a long service life.
eBay
I tried to find more history on these but was not very successful.
eBay