LAV603 Overnighter (3") A futon made of a 2" foam (medium density) and of a 1" cotton padding. Rolls up like a sleeping bag. Perfect for overnight guests, exercising or simply for relaxation. A great gift for everyone. Available in several colours. LAV604 100% Cotton (4") A 100% cotton padding futon. Promotional starter futon mattress. A good quality at a good price. Used primarily on starter Tri-Folds. LAV605 Cotton and foam on the inside (6") A 2" foam (medium density) and a 4" cotton padding. Used as first step on both "A" frame and Bi-Folds. LAV707 100% Cotton (8") 100% cotton padded futon . Especially made to put on hardwood frame of type "A", as it folds well. For those who search for a 100 % cotton futon. LAV607 Cotton and plain foam on the inside (8") A 2" foam (medium density) and a 6" cotton padding. Especially made to put on hardwood Bi-Folds. Not recommended, but will work on "A" frame. LAV611 Cotton and double foam on the inside (8") Futon made of two layer of 2" foam (medium density) and a 4" cotton padding. Provides greater plushness and softness than single foam core futon. A very high quality futon for Bi-Folds. Not suited for "A" frames. LAV612 Cotton and double foam on the inside (10") Same futon then the LAV611 but with two inches more cotton padding (10" ). Suited for Bi-Folds only. LAV613 Virgin wool futon (8") Two layer of 2" foam (High density) and cotton padding, wrapped in an ultra-thick layer of virgin wool. The world’s most luxurious and durable futon. Best suited for Bi-Folds and platform beds. LAV615 Polysoft (8") Made of 100% densified polyester padding and a 2" foam (High density), up to fifty times more resilient and longer lasting than regular polyester futon. Its the most flexible sitting and plush sleeping surface in the futon industry. Best suited for Bi-Folds and platform bed use. LAV608 Spring and cotton (8") The world’s first and finest fully-flexible innerspring futon. One unit of springs surrounded by two layer of high density foam and cotton padding. Feels softer and more "sofa-like" than a traditional futon. Folds easily, its the only spring unit that will fit on both "A" and Bi-Folds frame.