VARIOUS SIZE : 5 different size auto detailing brushes are satisfy with any cleaning needs. The smaller detailing brush can get into all the little cracks, the nooks, the lug nuts or tight space. The lager detailing brush suit for cleaning exterior and wider area more efficiently. Such as wheels, air vent, car seats, engine bay, dashboard,emblems and so on. HIGH DENSITY BRISTLE:Car interior detailing brush set apply solvent resistant bristles. Even after repeated use, the detailing brush bristles are durable, don't fall out and no bad smell. And the car detailing brush head is thick, it can able to hold much soapy water which help to ascension cleaning action. The auto detailing brush great for dry and wet use and no bristles left after use. NO SCRATCH:The automotive detail brushes natural boar hair combines perfect strength and flexibility. The bristles are soft enough to protect the surface you're working on and not leave scratch marks on painted, but tough enough to take off all the stubborn dirt. HUMAN-DESIGN:The handle made of High quality plastic, without metal parts. The plastic handle prevent scratching paint and surface if you accidentally hit the car. And the plastic handle wont swell or crack with prolonged exposure to water. Each car detailing brush is numbered to help you distinguish the size. The handle is ergonomically designed so you won't feel tired after long hours of work. PRACTICAL GIFTS AND QUALITY AFTER-SALES SERVICE: You will get 5 different size detail brushes, 2 air vent brush which helps to clean dust and dirt off between vent leaves. 3 wire brushes which used to clear of rust and residue. The car cleaner brush come with a 100% satisfaction guarantee, a 30-day trial period and 24-hour online after-sales service to solve any problems for you.