be poured into the top end of this funnel device 72 may have a flared end to insure that the material does not spill in another exemplary embodiment also illustrated in fig4 a the bottle may be separated into two halves 91 92 the separation technique is not limited to one technique for example both halves have a threaded section 90 that allow for the halves to be threaded together as illustrated the outer sidewall 12 are separated whereas the inner sidewall 13 remains intact in this configuration the thermal area 20 may be further exposed to air especially when the thermal material is liquid based furthermore though exemplary embodiments of the invention are illustrated herein with baby bottle having a particular outer body wall shape 12 the invention is application with a plurality of body wall shapes even the body wall shape illustrated in fig1 for body wall shapes that are not readily designed to accommodate hands of an infant or user of the bottle a means may be provided such as but not limited to indentures 19 and or a handle to assist the user with holding the bottle while exemplary embodiment of the invention has been described with reference to an exemplary embodiment it will be understood by those skilled in the art that various changes omissions and or additions may be made and equivalents may be substituted for elements thereof without departing from.