The case is made of good quality eva, solid enough to protect your devices from shock, bumps dents, scratches and moisture.
Compatible with 2.5 inches hard drives:
WD 1TB My Passport Portable External Hard Drive - USB 3.0;
WD 4TB My Passport for Mac Portable External Hard Drive;
WD 1TB My Passport SSD Portable Storage - USB 3.1;
WD 2TB My Passport Portable External Hard Drive - USB 3.0;
WD 4TB My Passport Ultra Portable External Hard Drive - USB 3.0;
WD My Passport for Mac Portable External Hard Drive;
WD 2TB My Passport Portable External Hard Drive - USB 3.0
Mateial: EVA;
Dimension: 5.9 x 3.94 x 1.57 inches; Weight: 1.8 ounces
Package include: Hard case x 1;
Remarks: only case for sale, speaker and accessories are not included.