A "double buggy" refers to a type of stroller or pram that is designed to hold two babies or children at the same time. It's useful for parents or caregivers who have twins or two young children who need to be pushed around together. Full definition
We are proud that + one won silver for best double buggy. (mountainbuggy.com)
What's more amazing is that when folded, best double buggy can even be carried as hand luggage when you plan to fly. (bestbabydollstrollerreviews.com)
Many parents find that this makes it the best double buggy in terms of cost and convenience — especially as the pram is built to last with a tough tubular steel frame. (adventurebuggyco.uk)