Thickness of the mat is .39 inches, making it super soft and comfy. Perfect for protecting your floors and provide cushioning for your little one while at play. Jumbo Gelli Mat, measuring over 5 1/2 feet wide and 3 ¾ feet tall. Rolls up for easy storage and carrying. Non-toxic, hypoallergenic, 100% safe for your little one. Waterproof, mat is protected from spills and stains. Simply wipe clean!