Abstract: An improved arm chair coaster formed of a main plastic container or body of elongated shape and closed for retaining in bulbuous end sections a weighted quantity of sand, gravel or shot, a wood, plastic or heavy cardboard block member of square or rectangular cross section secured to a mid or intermediate portion of the main plastic body, a stabilizer plate and rivets securing the main plastic bag to the block member, and underside of the main plastic body being sprayed with a non-slip, sprayed foam rubber coating to secure it onto the arm of a sofa or arm chair, and a lip, rim, or scalloped edge extending around the flat upper surface of the block means forming a receptacle. The main plastic body may be a transparent or a translucent material and each end of the main plastic body have equal weighted amounts of the sand, gravel or shot. Velcro may be used as securing means where a Velcro section is provided on the arm chair or sofa for receiving the improved arm chair coaster of the invention.