Hessian Foam Mattress – Large (Single) Published March 2, 2017 at 600 × 600 in Hessian Foam Mattress – Green Stripe (Single Foam) This single thick foam matress is hand made by the staff at Newcraft and are perfect to use as a dog bed or for inserting into the bottom of your dogs kennel. Made from a large green stripe hessian sack and 2 inch thick foam.