Check the listing for details. AZDENT 5000pzas/bolsa Bandas Elásticas de Ortodoncia Dental An. Condition: New. Listed at 19.35 USD. Dental Orthodontic Zoo Pack Elastics High-quality latex Rubber Bands 5000pcs/box Orthodontic Latex Elastics(ZOO PACK ELASTICS) Application: During orthodontic treatment, elastics are sometimes worn to pull the teeth and adjust the jaw position. Usually, the elastic is worn by the patient as advised by the doctor and is mainly hung between the orthopedic devices (brackets, traction hooks). Feature: High-quality surgical latex. Consistent force pull. Force ratings based on elastic being extended three times listed diameter. Available in 3 sizes of assorted Color Packs (Black, Blue red,). Specification: Strength: 3.5oz(100g)/5.0oz(140g)/6.5oz(185g) Size: Chipmunk 1/8" 3.18mm Rabbit 3/16" 4.76mm Fox 1/4" 6.35mm Penguin 5/16" 7.94mm Monkey 3/8" 9.35mm Package: 100pcs/bag,50bags/box=5000pcs/box FDA Statement： The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. Seller name:MXDENT City,State:SHENZHEN,China Telephone number:0755-14725869