NowPrice:NZ$31.06+

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Funny 30th Birthday T-Shirt: 'So Happy I'm Thirty' Tee

CoolFoxTees  

Returns & exchanges accepted

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Star Seller. This seller consistently earned 5-star reviews, dispatched on time, and replied quickly to any messages they received.

Highlights

  • Materials: Cotton, Soft Cotton, Ringspun Cotton, 100 per cent Cotton, Enzyme Washed Cotton

🛍 Welcome to Cool Fox Tees
Find the perfect T-shirt for every occasion — a premium tee you’ll never regret buying.
From funny slogan T-shirts to trendy everyday styles, novelty gifts, birthday ideas and Christmas favourites — we’ve got you covered.

Browse our shop for a huge range of men’s and women’s T-shirts available in various sizes and colours.
All orders include Free UK Delivery!

🌟 About Our T-Shirts
🔹 180GSM premium ring-spun cotton — soft, breathable, comfortable
🔹 Printed using eco-friendly, water-based DTG inks (no cheap vinyl or iron-on transfers)
🔹 Every T-shirt is printed fresh to order on our professional DTG printer for a smooth, bright finish

🚚 Delivery
🔹 Postage is £2.95 UK-wide and that’s for the whole order, not per item.
🔹 Orders are printed and dispatched the next working day. (Monday–Friday)
🔹 Shipped via Royal Mail Tracked 48 – reliable, fully tracked, and delivered in 2–3 working days.
🔹 If your order is time-sensitive, please upgrade to Royal Mail 24 Tracked at checkout

📏 Size Guide

👚 WOMEN’S FIT (Slim Fit) Slim fit shape. For a regular or more relaxed fit, please size up at least one size.

S (UK 6) – Width 15.5" (40cm) | Length 25.5" (65cm)
M (UK 8) – Width 17" (43cm) | Length 26" (66cm)
L (UK 10–12) – Width 18" (46cm) | Length 26" (66cm)
XL (UK 12–14) – Width 19" (48cm) | Length 26.5" (67cm)
2XL (UK 14–16) – Width 20" (51cm) | Length 27" (68.5cm)

👕 MEN’S FIT (Regular Fit) Classic retail fit. If between sizes or prefer a looser fit, we recommend sizing up.

S – Width 19.5" (49.5cm) | Length 27" (68.5cm) | Chest to Fit 38–40"
M – Width 21" (53cm) | Length 28" (71cm) | Chest to Fit 40–42"
L – Width 22.5" (57cm) | Length 29" (73.5cm) | Chest to Fit 42–44"
XL – Width 24" (61cm) | Length 30" (76cm) | Chest to Fit 44–46"
2XL – Width 25.5" (65cm) | Length 31" (79cm) | Chest to Fit 46–48"
3XL – Width 27" (68.5cm) | Length 32" (81cm) | Chest to Fit 50–52"
4XL – Width 28.5" (72cm) | Length 33" (84cm) | Chest to Fit 52–54"
5XL – Width 30" (76cm) | Length 34" (86cm) | Chest to Fit 54–56"

🧒🏻 KIDS UNISEX FIT

Age 2 | Chest 22–24"
Age 3–4 | Chest 24–26"
Age 5–6 | Chest 26–28"
Age 7–8 | Chest 28–30"
Age 9–11 | Chest 30–32"
Age 11–13 | Chest 32–34"


🔄 Returns & Exchanges
🔹 You have 30 days to request a return
🔹 Items must be unworn, unwashed and in their original packaging
🔹 Return postage costs are non-refundable
🔹 Personalised items cannot be returned unless faulty — but if there’s an issue, we’ll always do our best to sort it.
🔹 Need to swap a size? Drop us a quick message!

🎨 Please note: Colours may appear slightly different in person due to screen settings and lighting. The design position may also vary slightly depending on garment size.

📝 Note:
Delivery times are estimates — we cannot guarantee specific delivery dates, especially during busy periods like Christmas.

Thanks for choosing Cool Fox Tees!
Printed fresh with care here in the UK — we appreciate every single order. 🧡

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  • Dispatches within 1 business day
  • Returns & exchanges accepted within 30 days
  • Dispatched from: United Kingdom

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Etsy invests in climate solutions like electric trucks and carbon offsets for every delivery. See how
Etsy invests in climate solutions like electric trucks and carbon offsets for every delivery. See how

Reviews for this item

What buyers say, summarised by AI: Perfect gift Great quality Fast delivery Love it

4.9

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(26 reviews)

4.9 Item quality
4.9 Delivery
4.9 Customer service
100% Buyers recommend
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5 out of 5 stars 5 This item

Lisa 14 May, 2026

Bought for my son for his 30th birthday, I haven’t given it to him yet, so can’t comment on the fit.

Lisa 14 May, 2026

5 out of 5 stars 5 This item

Debbie 27 Mar, 2026

This will (s)hit the spot with my soon to be 30 year old nephew! Brilliant!

Debbie 27 Mar, 2026

5 out of 5 stars 5 This item

Daniela 14 Aug, 2025

It's perfect for our son 30th birthday.

Daniela 14 Aug, 2025

5 out of 5 stars 5 This item

Angela 23 Oct, 2024

Thank you, very happy 👌

Angela 23 Oct, 2024

CoolFoxTees
CoolFoxTees ·

Royal Leamington Spa, United Kingdom

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
17.7k sales
·
7 years on Etsy

Typically responds within a few hours

Typically responds within a few hours

Smooth dispatch Has a history of dispatching on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Listed on 31 May, 2026