Features: Using high-density Oxford cloth material, it provides excellent shockproof performances, ensuring that the mechanical keyboard is protect from impact damage during transportation. Special coating, with a certain waterproof function and can keep the interior dry even in rainy weather. Design to be lightweight and portable, easy to carry or store into backpacks without adding any extra burden. The internal separation is reasonable and can accommodate keyboards, mouse, and other accessories to avoid confusion of items. Hard shell structural designing, soft inner lining, effectively protecting the keyboard from external impacts and scratches. Specifications: Material: Oxford Cloth Size: S, M, L, XL(optional) The interior space (not external dimension): S for 61-68 keys keyboard: about 32x11.8x5cm/12.6x4.65x1.96inch M for 75-82 keys keyboard: about 34x15.5x5cm/13.39x6.1x1.96inch L for 87/96/98 keys keyboard: about 39x15.5x5cm/15.35x6.1x1.96inch XL for 104/108 keys keyboard:about 45x15.5x5cm/17.72x6.1x1.96inch Function: Suitable for most standard mechanical keyboards, providing spacious interior space for secure storage Color: Classical black design, simple and elegant Package Includes: 1 Piece Mechanical Keyboard Storage Bag note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.