Rubber Bulb With Inflation Valve

We are offering pvc/latex/rubber bulb with inflation valve.
specifications
features: 1)material : pvc, environmental 2)mainly used for sphygmomanometer and etc 3)well elasticity 4)any logo is ok
features:
1)material : pvc, environmental
2)common size :81.5*43.5mm
3)net weight :23.5g
4)function:         
a)mainly used for sphygmomanometer,
b)used for inflatable bag
c)used as pump and etc
5)color : all colors are available
6)any logo is ok
7)product's name : pvc bulb
8)well elasticity,nice hand feeling and wear well
9)keep its shape,lasting elasticity,soft and durable
10)we can also make upon customers' orders