Abstract: A non-spill drinking lid comprising a first member, a second member, detachably attached to the first member and a collar detachably attached to the second member. The first member has a plurality of protrusions extending from an interior surface towards the second member, the plurality of protrusions are arranged to maintain a fluid channel between the first member and the second member, the first member comprises a flexible outer rim, the collar comprises an outer rim, and the flexible first member outer rim abuts the collar outer rim and the flexible first member outer rim is deformable to extend the fluid channel through the non-spill drinking lid.

Abstract: A solution for preserving extracellular vesicles/exosomes has a carrier solvent selected from a group consisting of polysorbate 80, sucrose, and polyethylene glycol 3350/4000; and a stabilizer selected from a group consisting of salts, amino acids, and amino acid salts; wherein the pH of the preservation solution ranges from 5 to 7.4.

Abstract: A massage device is disclosed that is made by converting an existing breast pump using a massage adapter ring that allows for the easy conversion to and from a massage device to breast pump.