The SanDisk microSD memory cards offer an easy, affordable way to expand your mobile device’s storage memory. Available in capacities 4GB, 8GB. 16GB, 32GB, 64GB, 128GB, 256GB, etc. These sandisk memory cards give you additional storage space for your favorite photos, and even HD & 4K UHD videos. SanDisk microSD memory cards are shock proof, x-ray proof, X-ray proof, temperature proof and waterproof.