Small boxes are available for tiny kittens, but kittens grow up so fast that you'll have to replace the litter box soon after introducing it. When you replace a litter box you have to retrain the kitten, so it's better to start with a box you plan to use for a long time. Kittens have no trouble getting into large litter boxes, as long as one side is low enough that they can step inside. If you find a great box but aren't sure whether the kitten will be able to climb inside, use a piece of plywood or another flat material with good traction to make a little ramp. Affix it to the side of the litter box using duct tape, and remove it when the kitten has grown big enough to get inside without it. Some litter boxes have an enclosure (or top) around them.  The advantage of the enclosed litter box is that it can contain the litter for an enthusiastic kicker/digger and it may cut down smells if you have the box in a small living area.  Some cats also feel protected by the enclosure.  Be sure that the enclosed litter box is large; cats need enough room to comfortably turn around inside the box.  Most cats have a behavioral need to sniff their feces and then bury them, and the box needs to allow plenty of room for that.  Some cats do not like enclosed boxes when initially introduced to them.  You can ease the transition by removing the swinging door until your cat becomes acclimated to the box. There are many types of litter to chose from, and most types litter are fine for most juvenile or adult cats (8 months or older.)  Select a litter that is as dust-free as possible, since dust can irritate cats’ lungs. You might want to keep the following factors in mind as you make your choice:  Do not use clumping cat litter for kittens. If they eat it (which they do) it sticks together in their gut and can cause a serious impaction. Use unscented litter if possible. Kittens and cats may not like perfumed litter; if the scent is overpowering, they may use bathroom somewhere else. Additionally, some scents could irritate a cat’s...

How would you rephrase that briefly using Vietnamese?
Chọn khay vệ sinh có kích thước lớn. Cân nhắc lựa chọn khay vệ sinh kín. Mua cát vệ sinh dành cho mèo. Mua xẻng xúc cát và khăn trải.