The completely new, long stem SULO safety booties are light and easy to put on. The material of the booties is a flexible polyester oxford fabric, coated inside, that adapts to the movements of the paws. - protects against rust, dirt and snow build-up - flexible, anti-slip grit sole - helps protect against paw problems and prevent the spread of bacteria - a long stem and a snappy two-piece velcro fastening help the slipper hold on the foot better - opens all the way down: easier to put on - The TopGrip base material is windproof and also resistant to oil and chemicals. The material is also cut-resistant and protects against cold (-50 degrees) - and is flexible and has excellent wear resistance. - 2 pcs protective booties in the package  Please note  - too sharp or long nails on a dog can break the slipper - light safety boot that is not completely waterproof - in cold weather, the non-breathable outer thread may collect moisture in the bootie due to the dog's body heat