The 8 Best Waterproof Adhesive Letters (2023 reviews)

waterproof adhesive letters
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Are you planning to buy waterproof adhesive letters, and are you confused about the options ? Your search ends here.

Our review process:

Our Top Picks:

Best Overall:
Buy: OLADOT Waterproof Adhesive Letter
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Best For wall:
Buy: Outus Waterproof Adhesive Letter
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Best For outside:
Buy: Zonon Waterproof Adhesive Letter
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Best For window:
Buy: Seloom Waterproof Adhesive Letter
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Best For A Mailbox:
Buy: Ranekie Mckanti Waterproof Adhesive Letter
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Best For glass:
Buy: Llewyn Waterproof Adhesive Letter
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Best For metal:
Buy: Outus metal Mailbox sticker
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Best For both Outdoor And Indoor Use:
Buy: Sixqjzml Waterproof Adhesive Letter
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Best Overall: OLADOT Waterproof Adhesive Letter

OLADOT Waterproof Adhesive Letter
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The oladot waterproof adhesive letter is specially designed for your daily purpose and has plenty of most useful features. The key step is to remove the clear plastic that's over the top. The 3 inch stickers fit perfectly. They are huge and easy to see from the street. The included smooth rectangle is a great addition. It is easy to apply, clean and sharp edges on numbers and easily read from a distance. There is even an extra piece included to flatten if necessary. The adhesion is great. It comes with a scraper tool to make sure the decals stick well and without bubbles.

Why We Like This:
  • Very easy to use and reflective at night
  • Perfect for mailbox of basically any kind
  • New and hot release

Best For wall: Outus Waterproof Adhesive Letter

Outus Waterproof Adhesive Letter
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For a low asking price, outus waterproof adhesive letter has managed to overwhelm their customers by packing as many features as they could. These are good steady stickers Recomend. They are easy to use, re-arrange, and have great adhesives. It comes with a paper backing and application tape on the front, just peel the paper backing from the decal, leaving the numbers stuck to the application tape.

They are secure on the packaging paper sheets, but they peel off easily for use. They stick well, and only the letters show. They are still glitter so it does rub off a bit but it looks great. They are easy to remove and apply on to anything. It is 1 inch/ 25.4 mm in height, the suitable size allows you to use for multiple purposes.

Why We Like This:
  • Easy to remove and put back on again
  • Not flimsy and stick very well
  • Good brand reputation

Best For outside: Zonon Waterproof Adhesive Letter

Zonon Waterproof Adhesive Letter
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Zonon has been making great letter for years, thanks to a combination of clever design and appropriate materials. These stickers are designed in classic letter and number style, complete and rich, you can choose and match according to your needs to create a meaningful logo or text to show your taste and temperament, this white has a little light purple color. It can be peeled off carefully and re-attached. It might work on something like bedding sheet material, even then it may need help with a spray on adhesive, like 3M.

These vinyl decals can be applied to any hard, dry, smooth, clean surfaces, can be applied on your mailbox, window, door, car, truck, home, or business, any smooth surfaces. It withstands the paint most times and has bled only a few times. They are 1 inch high and 1/2 inch wide and regular size letters.

Why We Like This:
  • Easy to use and very adhesive
  • Delivers what they promise

Best For window: Seloom Waterproof Adhesive Letter

Seloom Waterproof Adhesive Letter
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The seloom waterproof adhesive letter gives the top-tier letter a run for their money by offering flagship specs at a much more affordable price. Reflective at night == It will reflect white light under the illumination of light at night, which is more convenient and safer for you and your family. It is made of quality vinyl, waterproof, weatherproof and uv resistant signs, which is suitable for various outdoor and indoor use. It measures 3 inches in height, 1.4 inches in wide, bigger and more visible, a proper size for creating displays, signs, posters and so on. It protects the sticker from damage before it is used.

It is easy to apply, characters are adhered to a clear plastic top sheet so that when adhesive back is removed, characters stay flat when pressed on. The top sheet peels off. It comes with a paper backing and application tape on the front.

Why We Like This:
  • Great value, plenty of letters & numbers
  • Good brand reputation

Best For A Mailbox: Ranekie Mckanti Waterproof Adhesive Letter

Ranekie Mckanti Waterproof Adhesive Letter
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The ranekie mckanti waterproof adhesive letter should be able to handle its purpose and duties with ease. These are suitable for various indoor and outdoor use. It comes with a lot of sheets so you will be able to use them a lot, really sticky that’s good. The letters are perfect size, the package has lots of letter selection, and they stuck to the cup through washing and sweating on the cup. It is made of pvc material.

The letters are easy to install. It can be applied as decorative signs, such as diy products, outdoor billboard phone numbers, car decoration numbers, etc. The letters are easy to remove and stick back on for placement. It is pasted with adhesive, which is waterproof and durable. They look very sharp and are sticky enough.

Why We Like This:
  • Cute letters, easy to put on
  • New and hot release

Best For glass: Llewyn Waterproof Adhesive Letter

Llewyn Waterproof Adhesive Letter
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The quantity is sufficient to meet your usual use needs. It includes 10 sheets of letter stickers, a total of 810 pieces, including 260 pieces of uppercase letters, 260 pieces of lowercase letters, 100 pieces of numbers, and 190 pieces of punctuation.

The surface of the item to be sticked is kept dry and smooth, just peel off from the paper and stick it on. It is made of vinyl material, each piece is difficult to break, and the adhesive on the reverse side has strong adhesion and does not come off easily, and is waterproof.

Why We Like This:
  • Great for gift boxes, cards, envelopes, postcards, albums
  • Suitable for mailboxes, trash cans, garages, door signs, room doors, windows, address plates, etc
  • Diy in any position you want to stick

Best For metal: Outus metal Mailbox sticker

Outus metal Mailbox sticker
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The outus metal mailbox sticker should be able to handle its purpose and duties with ease. The surface of mailbox number sticker adopts the metal plating process and arc design of 3D models, the self sticker is foam gum, which is beautiful and durable, and also has a good waterproof effect. It has a beautiful and exquisite looking, ideal for residence and mailbox decoration. It is designed with shiny silver color, matching well with most walls and mailboxes color to add more stylish features.

The package includes 26 pieces alphabet letters, 10 pieces number 0-9 stickers, and 36 pieces in total. It comes with one piece to add to that it is easy to install & clean. It will most definitely withstand weather. It is easy to paste, no need to screw and no drilling, sturdy and durable with good waterproof effect. These stickers can be widely applied in home, office, hotel rooms, apartments, school classrooms, condo, streets and so on, as door numbers, mailbox numbers, house address numbers, and are also suitable for car decoration.

Why We Like This:
  • Good investment for long term
  • Lot of satisfied buyers

Best For both Outdoor And Indoor Use: Sixqjzml Waterproof Adhesive Letter

Sixqjzml Waterproof Adhesive Letter
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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate letter. The sixqjzml waterproof adhesive letter is exactly that - it's a simple letter that hits all the right notes. This number sticker adopts hot stamping with strong stickiness, with numbers 0-9 printing, letters A-Z printing, and the white background design makes the numbers more clearer and conspicuous. It is suitable for both outdoor and indoor use.

Why We Like This:
  • New and hot release
  • Lot of satisfied buyers