1) Bag used for byob shows 2) Boot, christmas stocking 3) BYOB-show bag 4) Leather bag for wine 5) Leather wine bottle 6) Wine bottle 7) Wine pouch 
(butt) Oak barrel with a capacity of 550-600 litres and used to age Sherry wines. It is also a small container with a nozzle made from goatskin and waterproofed with tar and used to carry wine.
British Orthopaedic Trainees Association
(Spanish) leather wine bottle
[n] - a wine bottle made of leather
Spanish designation (sometimes also Bocoy or Bocoya) for a unit of measurement or wine barrel with a volume of between 500 litres as standard, but also in the range up to 650 litres, traditionally used in the production of sherry. The name is derived from the English unit of measurement butt. The quantity of grapes required for a bota is calle...
noun a wine bottle made of leather
Also calleda wine bag of Spain made of untanned goatskin and usually holding 1–2 liters (1.1–2.2 qt.). · a wine barrel of Spain holding 500 liters (132 U.S. gallons).