Unicorn Rainbow Party Bags: A UK Buyer’s Guide

Planning a child's birthday party is a magical experience, but finalising the details can feel overwhelming. You've organised the venue, the cake and the games. Now, it's time for the finishing touch that sends every guest home with a smile: the party bag. For a unicorn or rainbow-themed celebration, finding the right bag is key to completing the experience.

As the Joybuy Product Recommendation Officer, my role is to help you navigate the options. This guide offers practical advice on choosing the right kids' party favour bags and presents our top recommendations for 2026, helping you find the perfect match for your event without the marketing fluff.

A Practical Guide to Choosing Children's Goodie Bags

Before you fill your basket, consider a few key factors. The right choice often depends on the age of the guests, the favours you plan to include and your personal preferences on materials.

1. Material Matters: Paper vs. Plastic

The choice between paper and plastic is a common consideration for party planners.

• Eco-friendly Paper Party Bags: Often made from recyclable or sustainably sourced materials, paper bags offer a classic, charming feel. They are lightweight and can feature beautiful, detailed illustrations. Look for products with FSC-certified paper, which indicates the material comes from responsibly managed forests.
• Plastic Party Bags for Children: These are typically more durable and resistant to tearing, especially if they are filled with slightly heavier or awkwardly shaped toys. They also offer better protection against moisture if the party is outdoors. Always check for safety warnings, as thin plastic bags can be a hazard for very young children.

2. Size and Functionality

Consider what you'll be putting inside. A small bag is fine for a piece of cake and a few stickers, but you'll need something larger for activity books or small toys. Some bags come with handles, which are great for little hands, while others feature drawstring closures to keep the contents secure.

3. Matching Your Theme

The beauty of unicorn and rainbow themes is their vibrant and whimsical nature. Look for bags that complement your other unicorn party supplies. Coordinated designs create a cohesive look that makes the celebration feel extra special.

Unicorn Rainbow Party Bag Picks

Here are a few standout options that cater to different needs, whether you prioritise sustainability, value or durability.

1. Unicorn Rainbow Paper Party Bags (4 Pack)

Why It Stands Out: These bags combine a dreamy unicorn illustration with a soft rainbow palette, creating a truly magical look. Their key feature is the use of FSC-certified paper, making them a thoughtful choice for environmentally conscious families.

• Pros:

  • Made from responsibly sourced paper.
  • Charming and whimsical design suitable for a range of magical themes.
  • Lightweight and easy to hand out to guests.

• Who is it for? Parents planning a smaller gathering who value sustainable products and a classic, high-quality aesthetic for their magical birthday gift bags.

2. Unique Cellophane Rainbow Ribbons Party Bags (20 Pack)

Why It Stands Out: Offering excellent value, this pack of 20 is ideal for larger parties. The transparent cellophane design, printed with colourful ribbons, allows the treats inside to be part of the visual appeal. The integrated drawstring makes them quick and easy to close.

• Pros:

  • Large pack size is economical for bigger events.
  • Drawstring closure keeps favours secure.
  • See-through design lets guests glimpse the goodies inside.

• Who is it for? Party planners organising for a whole class or a large group of friends. These rainbow treat bags are also great for anyone who wants a quick, convenient and affordable option. Please note the safety information: these bags are not suitable for children under 3 and should be kept away from babies to avoid any hazard.

3. Unicorn Rainbow Plastic Party Bags (6 Pack)

Why It Stands Out: For a party bag that can handle a bit more wear and tear, this plastic option is a solid choice. The material is more resilient than paper and the built-in carry handle makes it easy for young children to hold. The vibrant unicorn and rainbow print is cheerful and eye-catching.

• Pros:

  • Durable plastic construction reduces the risk of tearing.
  • Integrated handle is practical for small children.
  • Bright, colourful design that kids will love.

• Who is it for? Those looking for sturdy children's goodie bags that can hold small toys, sweets and a piece of cake without worry. They are a practical choice for active parties where bags might be handled frequently.

Looking for More Rainbow-Themed Options?

If these specific unicorn designs aren't quite what you're looking for, or if you'd prefer to explore a wider variety of colourful options, we have a broader collection available.

Discover more styles and find the perfect fit for your celebration by exploring our full range of Rainbow Bags.

Frequently Asked Questions

What are good fillers for unicorn rainbow party bags?

To match the theme, consider items like rainbow-coloured sweets or lollipops, unicorn-themed stickers, small pots of glitter, colourful beaded bracelets, novelty unicorn-shaped erasers or mini colouring pencils.

Are paper or plastic party bags better for children's parties?

There is no single "better" option; it depends on your priorities. Paper bags are often seen as a more environmentally friendly choice and have a lovely traditional feel. Plastic bags offer greater durability and are less likely to tear if they get damp or are filled with heavier items. Always check age suitability, especially with plastic bags.

How many party bags should I prepare?

It's always a good idea to have a few spares. Plan for one bag per invited guest and then add two or three extras. This covers any unexpected siblings who may attend or accounts for a bag getting misplaced or damaged during the party.