Profile Design E-Pack Bento Box Profile Design E-Pack (Same basic design as the bento box) is a nylon food storage box that sits on the top tube behind the stem. It attaches with 4 velcro straps, 2 around the stem and 2 around the top tube. The box is open at the top and has a mesh cover which attaches with a velcro strip. The mesh cover is adjustable and can conform to different shapes. small E-Pack is $11.98 large E-Pack is $14.98 The large is 3 1/4" X 1 1/4" X 5". It holds 10 Power Gels or 6 energy bars. The small is 3 1/4" X 1 1/4" X 3". It holds 6 Gu packets or 2 Clif Bars.