[STRONG POLYETHYLENE FELT] - The Inserts are made from 27 layers of very strong PE Polyethlenene felt on the front and back of the vest. The Inserts are level 1 stab proof which will take the force of 24 Joules kinetic Energy which is the equivalent to 253KG of force. Protection area is 0.3 square meters. The dimensions are 100mm Height / 50mm Length / 1 cm Thickness. [FRONT & BACK POCKET] - There is a large pocket on the front and the back of the vest making enough room in them to add additional protection eg...bullet proof plates. Dimensions of the pockets - 25CM x 30CM. [LIGHTWEIGHT & FLEXIBLE] - The weight of the vest is 2.7KG allowing you to wear the vest for long periods of time without it causing discomfort. The vest is very flexible so you'll be able move around freely without it preventing you from doing your job. Stronger than Kevlar so they say. [ADJUSTABLE STRAPS] - The vest has two adjustable straps over the shoulder and one large adjustable strap over the stomach area. The Velcro on these straps are very tough and Quality made. The vest is adjustable from M-XXL size, the vests outer material is made from strong Oxford cloth which is weatherproof proof and easy to wash wipe clean. [WETHER PROOF CARRY BAG] The vest also comes with it's own carry bag made out of a wether proof material keeping the vest clean and dry when not in use. [ABOUT THE VEST] This stab resistant/proof vest is well made and at an affordable price. The vest is level 1 stab and slash resistant/proof NOT SPIKEPROOF but it will offer some protection from a spike Attack with it's strong PE inserts which will ensure your safety. The vest will cover your back, chest, and your abdominal. The body size of this vest is between M - XXL.This vest is perfect for door men/women supervisors, security guards. We are NOT responsible for your safety when using this vest we Cannot guarantee protection in every knife attack when using this vest, It is knife resistant not proof. We have a online video to show the effectiveness of this vest. [CLEANING] Only hand wash and hang dry the outer vest, the inner protective plate only hand wipe clean.