The following excerpt is from "Extreme Rocketry". The intention is to allow guests to get a basic feeling about a kit. We strongly suggest that you get a copy of the referenced Extreme Rocketry and read the entire article. Inside you will find many helpful hints in construction as well as other useful information. For more information, use the link above.

"Sky Angle introduced their Cert-3 chutes…with a few changes from their traditional chutes."
"…have four lines instead of the three…."
"Sky Angle Cert-3 chutes include a highly reflective aluminized urethane coating on the outside of the side panels while the inside of the panels is black."
"…easily visible under any launch and recovery conditions."
"Each line is made from 5/8" tubular nylon...attached to a nickel-plated swivel rated at 1500 pounds."
"…O-ring sewn in at the top of the canopy for attaching a drogue chute."
"…convenient sewn in label identifying the size of the chute."
"The Cert-3 chutes come in three sizes, Large (57 square feet), X-Large (89 square feet), and XX-Large (129 square feet). Their weights are 2.1 lbs., 2.8 lbs., and 3.8 lbs., respectively."
"Sky Angle now offers a deployment bag to match the extremely well designed Cert-3 chutes…for protection while providing reliable, tangle free deployment"
"They responded promptly to e-mail messages and returned phone calls…."

The article further discusses the required body tube compartments needed for storage of the three-sized chutes. The article also goes in to detail regarding the research completed testing descent rates for the chutes. Overall, the article suggests these are good chutes for use in level three certifications.