The majority of specimens are housed in ~1.25 inch gem jars, a few in ~1.5 inch.
Images show typical specimens like the ones you will receive and include the following:
Borealosuchus tooth, vert, scute; Lepisosteus scale, tooth, vert, skull plate; Champsosaurus vert and jaw; Myledaphus ray tooth and vert; Coriops jaw with teeth; Triceratops tooth, Edmontosaurus tooth and tendon; Brachychampsa teeth; 6 identified turtle shell fragments; baby turtle shell fragment; fish and shark vertebrae; Kindleia fish jaw; Melvius bow fin tooth; turtle limb bone; seed; coprolite, snail; dinosaur vertebra, and a lizard vertebra.