Get ready for some Nubbing
For $12 this toy is worth adding to your collection for texture and material alone. I would buy it again
                    Published: 
                        
                        
                    
	                Pros
						        
                                        Big (6+ in) 
Texture
Material
						        Texture
Material
Cons
						        
                                        Nubs can be rough for newbies
                                    
						         
				
				    
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| Discussion | Posts | Last Update | 
|---|---|---|
| Pain or Pleasure - which describes this toy? | 32 | |
| Are toys with 'nubbies' safe on your insides? | 4 | |
| Glass | 24 | |
| nubbies | 8 | |
| Differences between these glass toys? | 1 | |
| The Rainbow Nubby Wand - I like it! | 5 | 
				Thank you for viewing Rainbow nubby wand – glass dildo review page!
			
			 
            

I have other higher quality glass toys that hold heat longer.
Borosilicate glass is a type of glass that consists mainly of silica (SiO2) and boron trioxide (B2O3), which makes the glass more resistant to drastic temperature changes and high resistance to corrosion by chemicals. Borosilicate glass is popularly used in the production of scientific instruments such as laboratory glassware because it can handle both extreme cold and heat. It used to be the choice of glass for kitchenware as well. However, many U.S. kitchenware manufacturers have switched to use soda-lime glass because it less costly than borosilicate glass; for example, glass bakewares manufactured by Pyrex and Anchor Hocking. If borosilicate glass undergoes an abrupt and severe temperature change or falls on a hard surface, it might still crack. But, it cracks in chunks instead of shards, which is much safer than soda-lime glass. Therefore, all high-end glass toys use Borosilicate glass.
I hope the above information helps!
There is nothing wrong it this type of glass toy.
I have a hand blown glass toys that holds temp. a bit better that is all.