Birthday

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  • 40 inch chocolate brown number 2 foil balloon for 2nd 21st birthday party UK
    Sale

    Brown Number 2 Balloon 40 Inch – Milestone | Deco Party

    Brown Number 2 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £2.99

    Brown Number 2 Balloon 40 Inch – Milestone | Deco Party

    Brown / 40 inch / 2

  • Balloon Glue Dots & Strip Kit – Strong Adhesive for Party Balloon Decorations (Double-Sided Stickers + Strip Roll)

    Balloon Glue Dots & Strip Kit – Strong Adhesive for Party Balloon Decorations (Double-Sided Stickers + Strip Roll)

    Balloon Glue Dots & Strip Kit – Strong Adhesive for Party Balloon Decorations (Double-Sided Stickers + Strip Roll)
    £2.49

    Balloon Glue Dots & Strip Kit – Strong Adhesive for Party Balloon Decorations (Double-Sided Stickers + Strip Roll)
  • 40 inch blue pink ombre number 1 foil balloon with stars for mermaid party
    Sale

    40" Mermaid Number 1 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 1 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £3.99

    40" Mermaid Number 1 Balloon – Blue Pink Starry Birthday Foil

    Blue-Pink Ombre / 40 inch / 1

  • 40 inch gold number 4 foil balloon for 4th 14th 40th birthday party UK
    Sale

    Gold Number 4 Balloon 40 Inch – Milestone | Deco Party

    Gold Number 4 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £2.99

    Gold Number 4 Balloon 40 Inch – Milestone | Deco Party

    GOLD / 40 inch / 4

  • Teddy Bear Balloon with Green "Love You" Heart – 3D Sit-Up Foil Balloon
    Sale

    Teddy Bear Balloon with Green "Love You" Heart – 3D Sit-Up Foil Balloon

    Teddy Bear Balloon with Green "Love You" Heart – 3D Sit-Up Foil Balloon
    £2.49 £3.99

    Teddy Bear Balloon with Green "Love You" Heart – 3D Sit-Up Foil Balloon

    MEDIUM

  • 40 inch chocolate brown number 4 foil balloon for 4th 14th 40th birthday UK
    Sale

    Brown Number 4 Balloon 40 Inch – Milestone | Deco Party

    Brown Number 4 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £2.99

    Brown Number 4 Balloon 40 Inch – Milestone | Deco Party

    Brown / 40 inch / 4

  • 40 inch red number 3 foil balloon for 3rd birthday party
    Sale

    Red Number 3 Balloon 40 Inch – Milestone | Deco Party

    Red Number 3 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £3.99

    Red Number 3 Balloon 40 Inch – Milestone | Deco Party

    Red / 40 inch / 3

  • 40 inch blue pink ombre number 4 foil balloon with stars for mermaid party
    Sale

    40" Mermaid Number 4 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 4 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £2.99

    40" Mermaid Number 4 Balloon – Blue Pink Starry Birthday Foil

    Pink / 40 inch / 4

  • 40 inch blue pink ombre number 0 foil balloon mermaid birthday UK
    Sale

    40" Mermaid Number 0 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 0 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £2.99

    40" Mermaid Number 0 Balloon – Blue Pink Starry Birthday Foil

    Blue-Pink Ombre / 40 inch / 0

  • Beige number 2 balloon UK – giant 40 inch neutral cream foil 2nd birthday decoration
    Sale

    Beige Number 2 Balloon 40 Inch – Milestone | Deco Party

    Beige Number 2 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £2.99

    Beige Number 2 Balloon 40 Inch – Milestone | Deco Party

    Beige / 40 inch / 2

  • Beige number 0 balloon UK – giant 40 inch neutral cream foil party decoration
    Sale

    Beige Number 0 Balloon 40 Inch – Milestone | Deco Party

    Beige Number 0 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £2.99

    Beige Number 0 Balloon 40 Inch – Milestone | Deco Party

    Beige / 40 inch / 0

  • 40 inch rose gold number 1 foil balloon for 1st birthday party
    Sale

    Rose Gold Number 1 Balloon 40 Inch – Milestone | Deco Party

    Rose Gold Number 1 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £3.99

    Rose Gold Number 1 Balloon 40 Inch – Milestone | Deco Party

    Rose gold / 1 / 40 inch

  • 40 inch rose gold number 0 foil balloon for birthday party
    Sale

    Rose Gold Number 0 Balloon 40 Inch – Milestone | Deco Party

    Rose Gold Number 0 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £3.99

    Rose Gold Number 0 Balloon 40 Inch – Milestone | Deco Party

    Rose gold / 40 inch / 0

  • 40 inch red number 2 foil balloon for 2nd birthday party
    Sale

    Red Number 2 Balloon 40 Inch – Milestone | Deco Party

    Red Number 2 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £3.99

    Red Number 2 Balloon 40 Inch – Milestone | Deco Party

    Red / 40 inch / 2

  • 40 inch blue pink ombre number 9 foil balloon with stars for mermaid party
    Sale

    40" Mermaid Number 9 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 9 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £3.99

    40" Mermaid Number 9 Balloon – Blue Pink Starry Birthday Foil

    Blue-Pink Ombre / 40 inch

  • 40 inch blue pink ombre number 7 foil balloon with stars for mermaid party
    Sale

    40" Mermaid Number 7 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 7 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £3.99

    40" Mermaid Number 7 Balloon – Blue Pink Starry Birthday Foil

    Pink / 40 inch / 7

  • 40 inch blue pink ombre number 6 foil balloon with stars for mermaid party
    Sale

    40" Mermaid Number 6 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 6 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £2.99

    40" Mermaid Number 6 Balloon – Blue Pink Starry Birthday Foil

    Pink / 40 inch / 6

  • 40 inch blue pink ombre number 5 foil balloon with stars for mermaid party
    Sale

    40" Mermaid Number 5 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 5 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £2.99

    40" Mermaid Number 5 Balloon – Blue Pink Starry Birthday Foil

    Blue-Pink Ombre / 40 inch / 5

  • 40 inch blue pink ombre number 3 foil balloon with stars for mermaid party
    Sale

    40" Mermaid Number 3 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 3 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £2.99

    40" Mermaid Number 3 Balloon – Blue Pink Starry Birthday Foil

    Blue-Pink Ombre / 40 inch / 3

  • 40 inch blue pink ombre number 2 foil balloon with stars for mermaid party
    Sale

    40" Mermaid Number 2 Balloon – Blue Pink Starry Birthday Foil

    40" Mermaid Number 2 Balloon – Blue Pink Starry Birthday Foil
    £0.99 £2.99

    40" Mermaid Number 2 Balloon – Blue Pink Starry Birthday Foil

    Blue-Pink Ombre / 40 inch / 2

  • 40 inch chocolate brown number 3 foil balloon for 3rd 13th 30th birthday UK
    Sale

    Brown Number 3 Balloon 40 Inch – Milestone | Deco Party

    Brown Number 3 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £2.99

    Brown Number 3 Balloon 40 Inch – Milestone | Deco Party

    Brown / 40 inch / 3

  • 40 inch chocolate brown number 1 foil balloon for 1st 21st birthday party UK

    Brown Number 1 Balloon 40 Inch – Milestone | Deco Party

    Brown Number 1 Balloon 40 Inch – Milestone | Deco Party
    £0.99

    Brown Number 1 Balloon 40 Inch – Milestone | Deco Party

    Brown / 40 inch / 1

  • 40 inch black number 7 foil balloon for 7th 17th 70th birthday party UK
    Sale

    Black Number 7 Balloon 40 Inch – Milestone | Deco Party

    Black Number 7 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £2.99

    Black Number 7 Balloon 40 Inch – Milestone | Deco Party

    Black / 40 inch / 7

  • 40 inch black number 3 foil balloon for 3rd 13th 30th birthday party UK
    Sale

    Black Number 3 Balloon 40 Inch – Milestone | Deco Party

    Black Number 3 Balloon 40 Inch – Milestone | Deco Party
    £0.99 £2.99

    Black Number 3 Balloon 40 Inch – Milestone | Deco Party

    Black / 40 inch / 3

Make every birthday extra special with our Birthday Balloons – from 40″ number balloons to classic Happy Birthday foils and themed designs kids love. Shop milestone ages (18, 21, 30, 40…) and on-trend colours like gold, rose gold, blue and pink. Mix and match with balloon sets & bundles and add helium or ribbon to get party-ready in minutes. Free UK shipping over £12.99 from our UK store.