A container includes a receptacle having a first opening and a second opening opposite the first opening and a through passage extending between the first and second openings, the first opening being larger than the second opening. The container also includes a first cap shaped to seal the first opening, and a second cap shaped to seal the second opening. An inner surface of the receptacle includes a pair of textured portions on opposing sides of the through passage, the textured portions being separated by smooth portions.
