Rain Ripples Texture on Puddle
A puddle being hit by loads of raindrops which form ripples on the wet floor.

You may create a plane above any ground and make this water layer semi-transparent as demonstrated on the web page.
 
Leaky Dirt Decal Texture
It is leaky dirt which can be used as decal. The most important map is the opacity map. The alpha mask allows you to create your own dirt.
Caution Labels for Carton Boxes
They are warning labels commonly found carton boxes. This image has a transparent background which can be used as an alpha channel.

If you are planning to create a carton box 3D model, you may want to consider Carton Box Cardboard Texture (Paper 0025) and Glossy Brown Duct Tape Texture (Others 0011).
 
Clear PVC Braided Hose Pipe
It is a PVC gas or water pipe having internal frame as the structure.

The color of the plastic and frame, amount of dirt etc. can be adjusted by using the Substance SBSAR file.
Water Stain Texture
It is an imperfection texture of water stain. This type of water marks can be commonly found on the glass of a bathroom.

The SBSAR allows users to change the size and amount of the stains.
Frozen Icy Surface of Lake or Pond with Cracks and Frost
It is the water surface of a frozen lake or pond. The thin ice is shattered into pieces leaving numerous cracks. Frost and broken ice can also be found on the material.

The SBSAR file allows users to adjust the amount of cracks, frost etc.
Stylized Water Waves of Pools
It is a stylized version of water waves having shiny creases. The material is good for texturing lakes, swimming pools and ponds.

The color, the number and width of shiny edges can be tuned in the SBSAR file.
Spider Web / Cobweb Texture
It is a spider web. Some people may call it cobweb. Technically they are different, but most people use these 2 terms interchangeably.

With the sbsar file, you can control the damage level and number of silk lines. Besides, the deformation can also be controlled.
Vintage Glass Texture with Classic Window Patterns
This texture has a very typical window patterns which can be found in a lot of old houses, so it is very suitable to be used as a vintage glass texture.

By applying the texture, the glass can immediately has 70s style.

It is semi-transparent texture.
Rain Droplet Texture
They are rain droplets. This texture can be applied to a plane. the droplet will become rain drops on a glass window. It can also be applied to multiple planes to create raining effect.

This texture should be used with the opacity mask because water drops are transparent.
Bubble Wrap Texture for Packaging
It is the most commonly used bubble wrap for packaging goods and products. Each bubble has different degrees of damage and wrinkles.

Opacity map is also provided with the texture because bubble wrap is semi-transparent.

In order to achieve good rendering result, glass shader should also be used.

Metal map can also imitate the excellent result by mixing the opacity and metallic maps for some shaders, so a metallic map is also available, but optional.