I'm in the market for a decent sized bean bag and i've been looking a bit into it. This particular model is quite big and currently reduced from £130 on amazon. It is also one of the most highly recommended bean bags i could find.

• Bazaar Bag® - a giant floor cushion bean bag with excellent quality construction and design we well as massive dimensions, some of the biggest on Amazon - 180cm (6ft) x 140cm (4ft 7")
• Use indoors and outdoors - perfect for relaxing, watching TV, laying out in the garden or poolside, as well as being a quirky and unique piece of statement furniture for the home or garden - guests will be sure to be impressed with the comfort of this bean bag should you choose to use it as extra seating for friends - made with 100% waterproof fabric, this bean bag is durable, and long-wearing with a water and weather resistant finish (but please store indoors when not in use)
• Cool and contemporary - make a bold style statement with this huge bean bag, available in both neutral and fashionable tones that are sure to fit in with any colour scheme including Slate Grey, Navy, or Duck Egg Blue, or fun and bright vibrant colours including Lime Green, Orange, or Fuschia Pink to make a trendy impact
• Versatile design - do not let the massive size of these bean bags fool you, their lightweight design means they are easy to move from room to room around the home or outside and there is a seating position for everybody simply by reshaping this soft, comfortable bean bag - lay flat, prop against a wall, or straddle into a canoe shape - see images for extra ideas
• Fully Compliant to BS5852 Safety Regulations - unbeatable quality, stylish brand label, and quick delivery - this bean bag is big enough to sit two adults, check out The Kids Baz Bag® is also available - Bazaar Bags® exclusively from Bean Bag Bazaar®