UltraFire hard nylon holsters, AKA UltraFire 312, 313, 314, 315 holsters, are much better quality than soft nylon UltraFire holsters. They can be found at Amazon, or on the Bay.
UltraFire 312 review here, at BLF
UltraFire 314 review here, at BLF
“Hard nylon holsters at ”Official UltraFire” (?) shop link”:ultrafire-shop.net