The technology provides for an electronic device. The electronic device includes a housing, a display cover, and a modular component configured to provide a seal between the housing to the display cover. The modular component is configured to be attached to the housing. Further, the modular component includes a first surface configured to be attached to the display cover. The modular component includes a channel extending along the first surface, where the channel is configured to hold a liquid adhesive that bonds with the display cover. The modular component further includes a radial protrusion disposed on the first surface, the radial protrusion is configured to be in contact with the display cover when the display cover is attached to the housing and to prevent the liquid adhesive from moving out of the channel.