we mainly produce latex tube for slingshot, malaysia materials. Specifications Materials: Our Latex tubing is processed from pure, liquid, 100% natural latex Malaysia materials and There are no added plasticizers, coagulants, or fillers to migrate and contaminate the stream or cause tube hardening. Characters: 1) Seamless, no bubble, uniformity of color, anti-aging, scratch-resistant, without scratches and very smooth 2) Expand to more 6 times than its original length, can maintain memory 3) Strong strength and excellent elastic 4) Bright color which never fades natural latex tube mainly use for slingshot, toy, aeromodelling, medical etc. SIZE:1745, 1644, 1842, 1632, 2050, 3050, 3060, 3080, 4060 , the color has plain and black . 1745 mean:inner diameter is 1.7mm, outer diameter is 4.5mm. solid core band:2mm, 3mm, 4mm, 5mm if you have any other questions, please don&＃039;t hesitate to contact with me. thanks a lot