Abstract: A structure of a pad which includes a body portion formed with a plurality of inverted recesses surrounded by continuous walls, each of said recesses having a relatively larger opening at a top end and a relatively smaller opening at a bottom end, and a plurality of protuberances each formed on an intersection of said continuous walls.

Abstract: A ventilation cushion including a seat and a back cushion hinged together, each cushion defining a plurality of air passages and air holes, a plurality of air hoses connected between the seat cushion and the back cushion for guiding air between the cushions, and air fan means to draw air through the air holes and the air passages to ventilate the users back and bottom.

Abstract: An automobile mat including an upper layer formed with a plurality of arrow-shaped recesses and diamond-shaped recesses arranged alternately and extending obliquely and downwardly through the upper layer to form a larger open top, and a lower layer attached to a bottom of the upper layer, whereby the mat can prevent the automobile occupant's shoes from slipping and collect the sand and dirt from the automobile occupant's shoes.

Abstract: This invention relates to a cushion and in particular to one including a pad with an upper surface having a plurality of through holes, and a seat having a recess for receiving the pad and a plurality of ventilation holes, whereby when an user seats thereon, the pad and the seat will be deformed thereby causing the air therein to eject upwardly to blow off the heat evolved from the user.