Gelatinous egg sac (?) above pond

Gelatinous egg sac (?) above pond

Observation - Gelatinous egg sac (?) above pond - UK and Ireland. Description: Seen dangling above a friend's pond. It appears to be a gelatinous egg sac of some sort.ID please

Seen dangling above a friend's pond. It appears to be a gelatinous egg sac of some sort.ID please