Not only that, but Goodnites holds 3 water bottles. Plus, these disposable, absorbent underwear are hypoallergenic and have no harsh ingredients. Goodnites are available in Size XS (28-43 lbs), Size S/M (43-68 lbs), Size L (68-95 lbs), Size XL (95-120 lbs) and Size XXL (120-165 lbs).