7 x 1 long clear, straight, navy blue ribbed shaft with both knobbed and tapered heads. Available in 1 diameter, blue ribs are randomly placed and add approx 3/16 to the shaft. Our testers love all of the Phallix Glass products. They feel much smoother than plastic or acrylic toys and the nice thing about glass is that it holds the temperature of what ever it's in. You can put some warm water in a plastic cup and sit it to the side, after a few minutes it will take on the temp. of the water. When you are ready to use it just take it out, lube it up go. Ice water works well too!Phallix is High Quality, Medical Grade Pyrex Glass. 100% Safe, Hypoallergenic & often recommended by doctors. All Phallix glass dildos are tempered for high durability and will last a lifetime. Colors won't fade or bleed on our glass dildos & they're dishwasher safe!MANUFACTURERS WARNING! There are a number of other glass dildos and sex toys appearing on the market of dubious origin. There is a p