The #300 is the best heavy duty case to keep your gear safe from water, impacts, and the elements with our meticulously engineered waterproof, crushproof, and weatherproof hard case. The lid organizer provides extra storage options for accessories with removable velcro pouches. Foam Option - This #300 hard case includes (1) base layer of 1? thick foam. (1) base layer of 1.5" thick foam and (2) layers of 1.5" thick pluckable cubed foam that allows you to customize the fit to your items. Proposition 65 Warning: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov .