When it comes to buying a mattress, size matters more than most people realise. Whether you're furnishing a small spare room or upgrading to a spacious king, choosing the right size can make all the difference to your sleep quality and bedroom layout.
At Bedzy, we stock the full range of Giselle Bedding mattress sizes — with insured shipping, hundreds of 5-star reviews, and a lowest price guarantee (we’ll beat any lower price you find within 24 hours of your order).
Let’s explore the full sizing guide so you can make the perfect pick.
✅ Giselle Bedding Mattress Sizes Available at Bedzy
🛏️ Single Mattress (92cm x 188cm)
✔️ Perfect for kids, teens or compact spaces
✔️ Ideal for bunk beds or narrow rooms
✔️ Affordable and space-saving
💡 Tip: Choose a thicker 32cm model for better comfort and long-term support.
🛏️ King Single Mattress (107cm x 203cm)
✔️ Longer than a single — perfect for growing teens or taller adults
✔️ Ideal for guest rooms and studio apartments
✔️ Adds extra comfort without needing full room width
🛏️ Double Mattress (138cm x 188cm)
✔️ Great for solo sleepers who want extra space
✔️ Suitable for older teens and young adults
✔️ Can fit two people, but it’s snug
✅ Choose from firm, medium-firm or plush comfort levels based on your needs.
🛏️ Queen Mattress (153cm x 203cm)
✔️ Australia’s most popular size
✔️ Ideal for couples and master bedrooms
✔️ Balances space, comfort, and practicality
💬 Choose your firmness:
🛏️ King Mattress (183cm x 203cm)
✔️ The ultimate in luxury and legroom
✔️ Great for couples who want more space
✔️ Also ideal for co-sleeping with little ones
👉 Best paired with a solid, supportive bed base to maximise durability and alignment.
📦 Want Better Sleep? Go Thick – At Least 32cm
No matter the size, we recommend choosing a Giselle mattress with a thickness of 32cm or more. Why?
✔️ Better pressure relief
✔️ More comfort layers
✔️ Greater durability
✔️ Extra support for heavier body types
👉 Explore Medium-Firm Comfort Mattresses
🛒 Why Buy Your Giselle Bedding Mattress from Bedzy?
Here’s why Aussies keep coming back to Bedzy:
✅ Lowest price guarantee – We’ll match any price within 24 hours of your order
✅ Free delivery to most metro postcodes
✅ Insured shipping
✅ Full range of sizes and firmness levels
✅ Trusted Aussie support with fast responses and real advice
🛏️ Choose the Right Size, Sleep Right for Years
Whether you're upgrading your master bedroom or kitting out the kids' room, Giselle Bedding has a mattress to suit your needs — and Bedzy is where you’ll get the best deal, fast delivery, and expert support.