Material - Nylon Oxford +150g non-woven fabric
Sandwiched - 4MM sponge
Lined - 430 g round hole sandwich mesh 

1) 360 around the integrated chest and back, the force is uniform,
 taking into account the fit and support
2) Double side hidden storage bag, outdoor travel more convenient
3) Give up the traditional zinc alloy fastener, the use of lightweight aluminium alloy fastner, 
reduce the burden of dog travel, rust resistant durable