removal of the second portion 7 from between the upper and lower supporting structures alternately one or both surfaces of the second portion 7 may have features such as roughened features protuberances hooks or adhesive material to help secure the second portion 7 between the upper and lower supporting structures fig4 and 5 are perspective views illustrating two embodiments of a receptacle holder 3 in the embodiment shown in fig4 the first portion 8 of the receptacle holder 3 is angled with respect to the second portion 7 thus when the second portion 7 is positioned beneath a mattress of a bed for example the first portion 8 extends out from the mattress and tilts slightly upward with respect to the bed such as between 0 and 30 degrees e g approximately 10 degrees above the horizontal this may further aid in keeping the receptacle from falling from the receptacle holder the receptacle holder may be flat being the first portion being continuous and parallel with the second portion of the receptacle holder that embodiment and the embodiment of the receptacle holder pictured in fig4 may be beneficial when there is no structure adjacent to the mattress that would obstruct the receptacle holder.