"Rolser I-Max MF 4 Wheels 2 Swivelling Foldable Shopping Trolley - 41.34"" H x 15.55"" W x 12.8"" D"

Rolser shopping trolley in folding aluminum with 2/4 wheels. In a two-wheel position to pull along when empty, and in a four-wheel position to push along when full. Is one of Rolser's many technological advances.