Billie Merch

66 designs

Billie Merch that's loud in colour, low-key in vibe and perfect for anyone obsessed with the Billie look. If you’re after Billie Gifts that actually mean something, this collection covers the essentials: protective phone cases, snug laptop sleeves and graphic t-shirts that do the talking. The prints are inspired by the music and mood of the fandom — think bold graphics, moody palettes and cute details you won’t find on the high street. Everything is made for everyday use, whether you’re prepping for lessons, packing for a gig or just want a fresh case for your phone.Our best sellers are the phone cases, laptop sleeves and t-shirts — the staples that turn into your go-to pieces. Phone cases give proper protection without bulk and you can add free personalisation (initials) to make them yours. The same free personalisation is available on wallet phone cases, laptop sleeves, lunchboxes and a few other select items, so matching sets and customised gifts are easy. T-shirts come in a range of fits from boxy to fitted, printed on soft, breathable fabric that wears in not out. If you want more, check out our Billie tees at https://funcases.com/collections/billie/t-shirts.Gifts and extras bring the collection to life — hoodies for layering, backpacks for travel and quirky accessories for finishing touches. For personalised keepsakes, we offer engraving (paid service) on keyrings and necklaces — perfect for a subtle, sentimental Billie Gift; take a look at our engraved keyrings here: https://funcases.com/collections/billie/keyrings. If you want to match a tee with something warmer, our hoodies are comfy, roomy and printed to last: https://funcases.com/collections/billie/hoodies.We care about the planet as much as we care about style — we plant a tree for every order and offer free worldwide shipping (minimum spend applies). Orders ship quickly, and our customer care team is around if you need help with sizes, personalisation or engraving choices. Whether you’re shopping for yourself or hunting down Billie Gifts for a friend’s birthday, this collection has the staple pieces you’ll reach for again and again. Mix, match and personalise — the Billie Merch vibe is all about making things yours.
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Billie Blue Hoodie White FrontUnisex fit

Billie Blue Hoodie

$70.00
HMHAS Red Coffee Mug
+5

HMHAS Red Mug

$25.00
Billie Blue Sweatshirt White FrontUnisex fit

Billie Blue Sweatshirt

$63.00
Billie Blue Insulated Lunch Bag

Billie Blue Lunchbox

$43.00
HMHAS Cover  Hoodie White FrontUnisex fit

HMHAS Cover Hoodie

$70.00
HMHAS Cover  Active Water Bottle - Black

HMHAS Cover Active Water Bottle

$33.00
Billie 2025 White Water Bottle

Billie 2025 Water Bottle

$40.00
HMHAS Cover   - Musicians Phone Case for iPhone 16 Pro Max

HMHAS Cover Phone Case

from$35.00
HMHAS Red Sweatshirt White FrontUnisex fit

HMHAS Red Sweatshirt

$63.00
Billie 2025  - Musicians Phone Case for iPhone 16 Pro Max

Billie 2025 Phone Case

from$35.00
HMHAS Red  - Musicians Phone Case for iPhone 16 Pro Max

HMHAS Red Phone Case

from$35.00
HMHAS Tour 2025 Sweatshirt White FrontUnisex fit

HMHAS Tour 2025 Sweatshirt

$63.00
Billie Blue White Water Bottle

Billie Blue Water Bottle

$40.00
Billie 2025 Insulated Lunch Bag

Billie 2025 Lunchbox

$43.00
Billie Blue Clear Water Bottle

Billie Blue Clear Water Bottle

from$45.00
Billie 2025 Universal Laptop Sleeve

Billie 2025 Laptop Sleeve

from$43.00
HMHAS Cover  Clear Water Bottle

HMHAS Cover Clear Water Bottle

from$45.00
HMHAS Red Backpack

HMHAS Red Backpack

$73.00
HMHAS Cover  Universal Laptop Sleeve

HMHAS Cover Laptop Sleeve

from$43.00
Billie 2025 T-Shirt — White Back, wornUnisex fit

Billie 2025 T-Shirt

$38.00
PersonaliseHMHAS Red Silver Metal Keyring

HMHAS Red Luxury Keyring

from$25.00
HMHAS Red Active Water Bottle - Black

HMHAS Red Active Water Bottle

$33.00
HMHAS Cover  Skinny Tumbler

HMHAS Cover Skinny Tumbler

$43.00
HMHAS Red Tote Bag

HMHAS Red Tote Bag

from$23.00
HMHAS Red Tumbler

HMHAS Red Tumbler

$50.00
HMHAS Cover  White Water Bottle

HMHAS Cover Water Bottle

$40.00
Billie 2025 Poster

Billie 2025 Poster

from$10.00
HMHAS Red Skinny Tumbler

HMHAS Red Skinny Tumbler

$43.00
PersonaliseBillie Blue Silver Metal Keyring

Billie Blue Luxury Keyring

from$25.00
HMHAS Tour 2025 Active Water Bottle - Black

HMHAS Tour 2025 Active Water Bottle

$33.00
Billie 2025 Phone Grip

Billie 2025 FunGrip

$23.00
HMHAS Red Clear Water Bottle

HMHAS Red Clear Water Bottle

from$45.00
You’ve seen 31 of 66 designs

About Billie Merch

Billie Merch that's loud in colour, low-key in vibe and perfect for anyone obsessed with the Billie look. If you’re after Billie Gifts that actually mean something, this collection covers the essentials: protective phone cases, snug laptop sleeves and graphic t-shirts that do the talking. The prints are inspired by the music and mood of the fandom — think bold graphics, moody palettes and cute details you won’t find on the high street. Everything is made for everyday use, whether you’re prepping for lessons, packing for a gig or just want a fresh case for your phone.

Our best sellers are the phone cases, laptop sleeves and t-shirts — the staples that turn into your go-to pieces. Phone cases give proper protection without bulk and you can add free personalisation (initials) to make them yours. The same free personalisation is available on wallet phone cases, laptop sleeves, lunchboxes and a few other select items, so matching sets and customised gifts are easy. T-shirts come in a range of fits from boxy to fitted, printed on soft, breathable fabric that wears in not out. If you want more, check out our Billie tees at https://funcases.com/collections/billie/t-shirts.

Gifts and extras bring the collection to life — hoodies for layering, backpacks for travel and quirky accessories for finishing touches. For personalised keepsakes, we offer engraving (paid service) on keyrings and necklaces — perfect for a subtle, sentimental Billie Gift; take a look at our engraved keyrings here: https://funcases.com/collections/billie/keyrings. If you want to match a tee with something warmer, our hoodies are comfy, roomy and printed to last: https://funcases.com/collections/billie/hoodies.

We care about the planet as much as we care about style — we plant a tree for every order and offer free worldwide shipping (minimum spend applies). Orders ship quickly, and our customer care team is around if you need help with sizes, personalisation or engraving choices. Whether you’re shopping for yourself or hunting down Billie Gifts for a friend’s birthday, this collection has the staple pieces you’ll reach for again and again. Mix, match and personalise — the Billie Merch vibe is all about making things yours.