Type: Head Strengh exercise strapMaterial: polyester sponge metal chain.Strap size: length: 75 cm, width: 5 cm.Chain size: length: 47 cm, thickness: 0.5 cm.Safety company fat metal buckle, durable and safe.Product Type: Head Strengh exercise beltMaterial: polyester sponge metal chain.Strap size: length: 75 cm, width: 5 cm.Chain size: length: 47 cm, thickness: 0.5 cm.company fat metal buckle, durable and safe.End of the chain can hang the weight, you can gradually increase the load to effectively strengthen the shoulder and chest muscles.Precise sewing nylon straps headharness, extra wide support for comfort.Essential tool for neck design, superior saddle stitching everywhere.Fully adjustable strap, you can change the size as you need.Head harness requires the neck and upper back muscle.Recommended for all athletes, specially designed for those in contact sports.Please note:Due to the different monitor and light effect, the actual color may be slightly different from the picture color.Please allow 2-3 cm difference due to manual measurement.Included:1 x Head Strengh exercise belt.