Note, these are vertical plates, we also carry horizontal -  https://www..com/itm/274788186001 
The Hudi's Tactical Level III+ Ballistic Armor Side Plate weighs in at only 1.6 pounds each and measures 6"x8". They're designed to be fitted vertically. Featuring a slim 0.7" profile and ergonomic curvature. They're a great match to the Level 3+ plates in another listing. Their larger siblings have been  independently tested by NTS-Chesapeake (officially approved lab) according official standards with 2 rounds of 5.56 M193, 2 rounds of 5.56 M855 and 2 rounds of 7.62 M80 and had zero penetrations
isdntekvideo] The plates are made from ceramics with a polyethylene backplate (itself rated at Level IIIA). We tested the larger version with 2 rounds of 7.62 NATO M80, 2 rounds of 5.56 M193 and 2 rounds of 5.56 M855. None of them penetrated the plate. The only significant deformation is when a 7.62 NATO round struck 1.5" from the edge.
Features:
Level III+ Stand Alone ballistic rating
Dimensions: 6"x8"
Thickness: 0.7"
Weight: 1.6 lbs
Material: Ceramics + Polyethylene (UHMWPE)
Single Curve
This model complies with NIJ Standard-0101.06 for Ballistic Resistance of Body Armor Due to the nature of the product, there are no returns. 
By purchasing body armor, the Buyer is certifying that he/she has not been convicted of any crime that would restrict him/her from being able to purchase or possess body armor under any Federal or State laws. Furthermore, the Buyer is acknowledging that he/she does not intend to use the body armor for any criminal purpose and that he/she is over the age of 18 years old. Additionally, the Buyer acknowledges that misuse will cause bodily harm and potentially death, and the Buyer will not hold the Seller accountable or liable for any damages and injuries. The Buyer agrees that the Seller is not liable for any injury, including serious injury or death that may occur during the use of body armor. The Buyer, releases, discharges, indemnifies, and holds harmless the Seller for any liability from the purchase, possession, or use of the body armor. The Buyer specifically disclaims any right to any damages from the Seller, including compensatory damages, incidental damages, consequential damages, punitive damages, costs, and attorney’s fees.