"Made of withes" is a phrase that refers to something that is constructed from flexible twigs or branches. A few synonyms for this phrase include "woven from willow," "crafted from reeds," or "fashioned from osiers." Other options may include "built with basketwork" or "constructed from pliable branches." These phrases can be used to describe a variety of items, ranging from baskets and furniture to shelters and fences. Overall, these synonyms offer a way to add descriptive language to any piece of writing that involves the use of twigs or branches in its construction.