Heres an item that checks all the boxes.

[[Description]]

Carry more with less effort with the Bag Bungee. The Bag Bungee attaches easily to handle system of wheeled luggage, including single pole or double pole handles and secures a second bag to the handle. Now the two items move as one. From Travelon who has been making "Travel Easier" for nearly 30 years with fashionable, functional products that are designed and built to last.

[[Features]]

• Carry more with less effort. With the Bag Bungee you can move two items as one.
• Great for use with polycarbonate/hard-sided suitcases
• Attaches easily to handle system of wheeled luggage and works on single pole or double pole telescoping handles
• Secures a 2nd bag, coat or other item
• Must have accessory for traveling

[[Details]]

• Size: 8.25" x 20" x 1.75"
  
• Material: Polyester

The kind of item that becomes a quiet necessity.