Pros: Soft material. Not Rigid. No zippers to avoid scratching laptop. Perfect size for my Samsung Ativ book 9 plus (an in between in thinness of MacBook Air and MacBook Pro). Price is perfect. I paid about $$ including shipping. Cons: None yet. I am using this sleeve along with a soft cover that comes with some ultrabooks. This is made of a soft cotton like material, so I don't worry about the INSTEN Sleeve scratching my laptop. I'm not sure what the material is made of but it's soft enough. It seems to be a polyester/nylon blend. Maybe a cotton/poly blend. I don't think you can beat the price on this. If you're looking for a more rigid sleeve to protect your laptop from drops then look elsewhere. This is very basic but perfect for my situation.
this worked wonderfully for my laptop. I actually had my puppy chew through two of these and needed a replacement and this ft the bill. Have had laptop for 6 years now.
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