Spacesaving design: rectangular mop bucket folds flat to just 2.75 inches thick for compact storage. Fits easily under sinks or in tight closets in small homes, RVs, campers, and vans. Works with most mop types: compatible with flat mops, sponge mops, spray mops, and string mops for flexible cleaning options. Two sizes to match your needs: Large: 19 L (5.1 gallons) capacity; fits mop heads up to 17.71 inches (45 cm). Medium: 12 L (3.2 gallons) capacity; fits mop heads up to 14.96 inches (38 cm). Built for handling and durability: equipped with two comfortable carrying handles and a reinforced frame/base for easier transport and longer life during indoor and outdoor use. Versatile utility beyond mopping: use as a portable water basin for camping or fishing trips, a carwashing bucket, a pet bath tub, or a compact bin for dirty laundry and gear. Practical use scenarios Small apartment or RV: folds flat for storage under a sink or behind a cabinet, then opens to hold up to 19 L for routine floor cleaning. Outdoor cleaning and travel: take the bucket on camping or fishing trips as a lightweight basin for washing dishes or rinsing gear. Vehicle and pet care: a stable, easytocarry bucket for car washing or giving small pets a quick bath. Key attributes at a glance: compact foldflat profile (2.75 in), two size options (19 L / 12 L), broad mop compatibility, dual handles, reinforced frame, and multipurpose uses for home and travel cleaning.