Adapt-Ease Pressure Vest is made of 2mm perforated neoprene similar to the fabric used in wet-suits. Extremely durable and machine washable. Calming benefits - The pressure vest for children can be worn all day, though it's recommended for intervals of 20 minutes during focus times where sensory input is helpful. Offering deep pressure increases body awareness and encourages calm, focus and attention, this compression vest supports kids with hyperactivity (ADHD), sensory integration disorder and autism.