If you're looking for a simple, yet sturdy case to protect your violin, the Howard Core violin case is definitely a great option. The brand has been around since 1976. And they've made quite a reputation for themselves as trusted brand in the world of orchestral instruments.
Their cases are designed for students and professionals. They come in an assortment of materials including fiberglass, wooden shells, and composite materials with scratch-resistant finish.
Shop through their available shapes like contoured, half moon, and oblong cases that come in 4/4, 3/4 and 1/2 size options.
Most of their cases also feature an electronic multi-function hygrometer that provides a more accurate reading.