Today, a number of manufacturers having sales on iOS device cases, screen protectors and other means of protection for your iDevice.

iFrogz is offering a whopping 50% off everything that is in-stock both today and tomorrow. iPhone cases start at as little at $10 and you get free shipping if you spend $29.

Case-Mate is offering 20% off site-wide with the coupon code ‘MDAY2012’, now through May 31st. They offer free standard shipping on all US orders

ZAGG is knocking 20% off keyboards and cases and 50% off almost everything else, plus they are throwing in free ZAGGFOAM on all orders of $9.99 or more. There sale prices are good both today and tomorrow.

UNIEA is offering 25% off their entire lineup of iPhone, iPad and iPod touch cases today with the promo code ‘MDAY12’.

Finally, today-only, SkinIt is offering 30% everything including its entire line of apple device skins, just use the code ‘HONOR30’ or ‘TWITHONOR’ when checking out.