They’re designed for most standard round stools: cushions about 1.5–3 inches thick, with an overall diameter listed at around 17.5 inches.
Many listings advertise waterproof protection: car covers are described as “Premium PU Leather Waterproof” for front and rear protection, and round stool slipcovers use a polyurethane outer layer that resists liquid spills.
Car covers use a universal, adjustable design intended to fit most 5‑seat cars, SUVs, trucks and vans. Round stool covers are sized specifically for standard round seats with cushions about 1.5–3 inches thick.
Care varies by product: car seat covers typically recommend spot cleaning or wiping clean, while round stool covers advise regular dusting and using a dry or slightly damp lint‑free cloth for spot cleaning.
Common attachment methods include hook‑and‑loop fasteners, buckles and hooks for car seat covers, and secure elastic bands for round stool slipcovers.