Currently you can select up to maximum of 25 selections in one Multiple.

In addition to you can also place the following full-cover multiples:

• Trixie - A Trixie is a full-cover multiple bet on three selections.
  It is made up of 4 bets - 3 Doubles and 1 Treble.
• Patent - A Patent is a full-cover multiple bet with singles on three selections.
  It is made up of 7 bets - 3 Singles, 3 Doubles and 1 Treble.
• Yankee - A Yankee is a full-cover multiple bet on four selections.
  It is made up of 11 bets - 6 Doubles, 4 Trebles and 1 Fourfold.
• Canadian - A Canadian is a full-cover multiple bet on five selections.
  It is made up of 26 bets - 10 Doubles, 10 Trebles, 5 Fourfolds and 1 Fivefold.
• Heinz - A Heinz is a full-cover multiple bet on six selections.
  It is made up of 57 bets - 15 Doubles, 20 Trebles, 15 Fourfolds, 6 Fivefolds and 1 Sixfold.
• Super Heinz - A Super Heinz is a full-cover multiple bet on seven selections.
  It is made up of 120 bets - 21 Doubles, 35 Trebles, 35 Fourfolds, 21 Fivefolds, 7 Sixfolds and 1 Sevenfold.
• Goliath - A Goliath is a full-cover multiple bet on eight selections.
  It is made up of 247 bets - 28 Doubles, 56 Trebles, 70 Fourfolds, 56 Fivefolds, 28 Sixfolds, 8 Sevenfolds and one Eightfold.
• and other full-cover betting combinations.