Features: 1.PP material is dust-proof, shockproof, anti-static, durable, sturdy, safe and eco-friendly to protect HDD & SSD from external vapor, static, dust, etc 2.Compatible with 2.5 / 3.5inch hard drive of desktop computer and laptop 3.Can store 4pcs 2.5inch HDD & SSD with 9.5mm thickness when using the bracket, and store 1pc 3.5inch HDD of desktop computer without using the bracket 4.Side and top notes allows you to sort your hard drive for quick access 5.Inside EVA pad is anti-static, shockproof and moisture-proof, which can buffer inside shock to store hard drive securely specification: PP material is dust-proof, shockproof, anti-static, durable, sturdy, safe and eco-friendly to protect HDD & SSD from external vapor, static, dust, etc. Compatible with 2.5 / 3.5inch hard drive of desktop computer and laptop. Can store 4pcs 2.5inch HDD & SSD with 9.5mm thickness when using the bracket, and store 1pc 3.5inch HDD of desktop computer without using the bracket. Side and top notes allows you to sort your hard drive for quick access. Inside EVA pad is anti-static, shockproof and moisture-proof, which can buffer inside shock to store hard drive securely. Anti-skid groove can reduce external pressure and stack storage box firmly and easily, which is tough and not easy to deform to save space. You can store different hard drives in different colored box to improve your working efficiency. : : OImaster Material: PP + EVA Optional Colors: Red, Gray Size: 17.5 * 12 * 3.5cm /6.9 * 4.7 * 1.4 inch Weight: 157g Suitable: For 2.5 / 3.5inch HDD & SSD Package includes: 1 x Hard Drive Storage Box