不错，耐背，承重好，耐脏，也够大，质量不错，价格能再低点就更好了哈哈。
SM11447
SM11492
SM11489
SM11470
SM11468
SM11458
SM11456
SM11189
SM11551
SM11376
SM11109-101
SM11109-108
SM11125
SM11127
SM11130
SM11152
SM1138
SM11207
SM11282
SM11217
SM11375
SM11318
SM11316
SM11310
不错，耐背，承重好，耐脏，也够大，质量不错，价格能再低点就更好了哈哈。