Precision-Engineered Structure: This violin case includes a built-in hygrometer to monitor humidity and reduce the risk of wood cracking or warping. Bow holders have locking slots, with explosion-proof zippers and a reinforced handle for lasting use Stable Violin Placement: Inside the 4/4 violin case, a built-in neck holder keeps the violin centered and suspended during transport, helping to avoid collisions and damage Lightweight and Portable: Weighing only 4.0 lbs/1.8 kg, this violin case is easy for anyone to carry. With multiple carrying options, it can be worn as a backpack or over the shoulder, reducing strain and maintaining violin stability during transport Spacious Storage Compartment: The 4/4 full size violin case includes two bow holders to reduce body scratches and bow hair wear. Thoughtful storage details are designed to deliver all-around care for your instrument Comprehensive Shielding Design: The violin case features a premium composite carbon fiber shell with strong pressure resistance. Inside, soft EVA foam absorbs impact, while a plush lining helps reduce scratches during movement