How About Natural Latex Advantages? Our bungee equipment made from of 100% eco-friendly natural latex,which is strong wear resistance and can withstand extreme tensile force.They can stay strong and retain elasticity even after repeated stretching, avoiding injury from sudden snaps Do This Yoga Bungee Cord Resistance Belt Set Include Ceiling Mount? No,Because all ceilings are different,the hardware that goes into your ceiling is not included in this kit. However the Extension Strap (Daisy chain) could be used to mount to a round pipe or beam in the house or Outdoor.Great for Solo or Partner training Sport.If need,please go to professional store to buy How High Is The Ceiling Suitable For? Heavy Bungee Resistance Band Set fit for ceilings no less than 8.2ft tall.You can add or decrease the height by the loops of the daisy chain,when need.If you have higher ceilings,Please purchase longer daisy chains to meet your height demands What Is The Left And Right/Front And Back Distance For Multiple Bungee Dance Rope Installation? Left and Right Distance:1.5-2m,Front and Back Distance:1.8-2m Does this product come with installation instructions? Yes,our yoga bungee cord have Is there an age limit? Better Above 10 years old or older Different bungee cord consist of different elastic cores,Fit for different weight limit(Thickness of the elastic cores is different): For weight class-1:60kg,consists of 6 thin cores(?12mm) Fit for weight:110-143 pounds For weight class-2:70kg,consist of 8 thin cores(?12mm) Fit for weight:143-165 pounds For weight class-3:80kg,consists of 7 thick cores(?13mm) Fit for weight:165-187 pounds Note:Please select right weight section.Too light or too heavy are not ideal.If you are above 187LBS,you could buy one 60KG bungee to use with yours together