Mini Castor Roller Wheels Self Adhesive Universal Household Boxes Mover 4pcs/set

Mini Castor Roller Wheels 4pcs/set :

Type: Rubber ball/ steel ball
Materials: ABS+Rubber / ABS+Stainless Steel
Product Size(L x W x H): 4.5 x 2.8 x 1.4CM

Installation:
①Tear off the non-marking protective film
②Put the non-marking sticker on the pulley
③Tear off the protective film on the other side of the non-marking sticker
④Paste the non-marking stickers evenly on the bottom (preferably at the four corners or edges)
⑤Use after standing for 24 hours