Material : rubberAge Group : AdultsCertification : CEItem Type : Orthodontic BracesThis product may be intended for use by a health care professional use only. The seller may ask you to evidence you are a qualified health care professional entitled to buy and use such products in your country.Feature:these elastics are the highest quality elastic on the market.Every package is checked to assure all cuts are consistent and that the forces are correct.Dental/Orthodontic Elastic BandsCaution :This product contains natural rubber latex which may cause allergic reactions.It should not be used on or by anyone who is sensitive or allergic to latex.Anyone that experiences any adverse reaction to the product ,should immediately discontinue its use and consult a physician.Size & Forces:1/8" , 6.5 Oz Chipmunk3/16", 6.5 Oz Rabbit1/4" , 6.5 Oz Fox5/16", 6.5 Oz Penguin3/8" , 6.5 Oz MonkeyPackage include:1. 100pcs/Pack, 10Packs Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!