Abstract: A safety blanket for a baby bottle formed from two very thin flat layers of a liquid impervious material. The two layers of material are sealed around the periphery with the central body portion not attached so as to form a dead air space therebetween. The two layers are in the general shape of a rectangle with the shorter surface sufficiently sized to reach from top bottom of the bottle height. The longer dimension sufficient to surround the circumference of the bottle reservoir. A fastening method for attaching the safety blanket around the bottle is provided as is an envelope associated with the fastening method for inserting a substrate with indica thereon.